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Identification
NameMontelukast
Accession NumberDB00471  (APRD00434)
TypeSmall Molecule
GroupsApproved
Description

Montelukast is a leukotriene receptor antagonist (LTRA) used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. It is usually administered orally. Montelukast blocks the action of leukotriene D4 on the cysteinyl leukotriene receptor CysLT1 in the lungs and bronchial tubes by binding to it. This reduces the bronchoconstriction otherwise caused by the leukotriene, and results in less inflammation. Because of its method of operation, it is not useful for the treatment of acute asthma attacks. Again because of its very specific locus of operation, it does not interact with other allergy medications such as theophylline. Montelukast is marketed in United States and many other countries by Merck & Co. with the brand name Singulair®. It is available as oral tablets, chewable tablets, and oral granules. In India and other countries, it is also marketed under the brand name Montair®, produced by Indian company Cipla.

Structure
Thumb
Synonyms
(R-(e))-1-(((1-(3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl)-3-(2-(1-hydroxy-1-methylethyl)phenyl)propyl)thio)methyl)cyclopropaneacetic acid
1-[[[(1 R)-1-[3-[(1e)-2-(7-chloro-2-Quinolinyl)ethenyl] phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfanyl]methyl]cyclopropaneacetic acid
Montelukast
Montélukast
Montelukastum
External Identifiers
  • L 706631
  • MK 0476
  • MK 476
Prescription Products
NameDosageStrengthRouteLabellerMarketing StartMarketing End
Accel-montelukast Sodium Tabletstablet10 mgoralAccel Pharma IncNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ach-montelukasttablet (chewable)5 mgoralAccord Healthcare Inc2014-06-09Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ach-montelukasttablet (chewable)4 mgoralAccord Healthcare Inc2014-06-09Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Auro-montelukasttablet10 mgoralAuro Pharma Inc2013-03-04Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Auro-montelukast Chewable Tablettablet (chewable)5 mgoralAuro Pharma Inc2014-03-26Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Auro-montelukast Chewable Tablettablet (chewable)4 mgoralAuro Pharma Inc2014-03-26Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Bio-montelukasttablet10 mgoralBiomed PharmaNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Dom-montelukasttablet (chewable)5 mgoralDominion Pharmacal2012-10-03Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Dom-montelukasttablet (chewable)4 mgoralDominion Pharmacal2012-10-03Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Dom-montelukast Fctablet10 mgoralDominion Pharmacal2012-09-26Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ipg-montelukasttablet10 mgoralInternational Pharmaceutical Generics LtdNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ipg-montelukasttablet (chewable)5 mgoralInternational Pharmaceutical Generics LtdNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ipg-montelukasttablet (chewable)4 mgoralInternational Pharmaceutical Generics LtdNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Jamp-montelukasttablet10 mgoralJamp Pharma Corporation2012-09-21Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Jamp-montelukasttablet (chewable)5 mgoralJamp Pharma CorporationNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Jamp-montelukasttablet (chewable)4 mgoralJamp Pharma CorporationNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Mar-montelukasttablet (chewable)4 mgoralMarcan Pharmaceuticals Inc2013-12-30Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Mar-montelukasttablet10 mgoralMarcan Pharmaceuticals Inc2013-12-30Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Mar-montelukasttablet (chewable)5 mgoralMarcan Pharmaceuticals Inc2013-12-30Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Mint-montelukasttablet (chewable)5 mgoralMint Pharmaceuticals Inc2013-10-17Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Mint-montelukasttablet (chewable)4 mgoralMint Pharmaceuticals Inc2013-10-17Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Mint-montelukasttablet10 mgoralMint Pharmaceuticals Inc2013-10-17Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet (chewable)5 mgoralSanis Health Inc2012-03-21Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet (chewable)5 mgoralPro Doc Limitee2012-03-29Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet (chewable)4 mgoralSanis Health Inc2012-03-21Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet (chewable)4 mgoralPro Doc Limitee2012-03-29Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet10 mgoralRanbaxy Pharmaceuticals Canada Inc.Not applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet10 mgoralSivem Pharmaceuticals Ulc2012-06-10Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet (chewable)5 mgoralSivem Pharmaceuticals Ulc2012-06-10Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet (chewable)4 mgoralSivem Pharmaceuticals Ulc2012-06-10Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet10 mgoralSanis Health Inc2012-03-21Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet10 mgoralPro Doc Limitee2012-03-29Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukast Sodiumgranule4 mg/1oralPrasco Laboratories2013-07-26Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodium Tabletstablet10 mgoralAccord Healthcare Inc2012-03-28Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Mylan-montelukasttablet (chewable)5 mgoralMylan Pharmaceuticals Ulc2012-02-27Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Mylan-montelukasttablet10 mgoralMylan Pharmaceuticals Ulc2011-10-20Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Mylan-montelukasttablet (chewable)4 mgoralMylan Pharmaceuticals Ulc2012-02-27Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ntp-montelukasttablet10 mgoralTeva Canada LimitedNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ntp-montelukasttablet (chewable)5 mgoralTeva Canada LimitedNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ntp-montelukasttablet (chewable)4 mgoralTeva Canada LimitedNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Pendo-montelukasttablet (chewable)5 mgoralPendopharm Division Of De Pharmascience IncNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Pendo-montelukasttablet (chewable)4 mgoralPendopharm Division Of De Pharmascience IncNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Pendo-montelukast Fctablet10 mgoralPendopharm Division Of De Pharmascience IncNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
PMS-montelukasttablet (chewable)5 mgoralPharmascience Inc2011-10-11Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
PMS-montelukasttablet (chewable)4 mgoralPharmascience Inc2011-10-11Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
PMS-montelukast Fctablet10 mgoralPharmascience Inc2011-10-11Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Priva-montelukast Fctablet10 mgoralPharmapar IncNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Q-montelukasttablet10 mgoralQd Pharmaceuticals UlcNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ran-montelukasttablet (chewable)5 mgoralRanbaxy Pharmaceuticals Canada Inc.2013-07-08Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ran-montelukasttablet10 mgoralRanbaxy Pharmaceuticals Canada Inc.2013-01-17Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ran-montelukasttablet (chewable)4 mgoralRanbaxy Pharmaceuticals Canada Inc.2013-07-08Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ratio-montelukasttablet10 mgoralTeva Canada LimitedNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ratio-montelukasttablet (chewable)5 mgoralTeva Canada LimitedNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Ratio-montelukasttablet (chewable)4 mgoralTeva Canada LimitedNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Riva-montelukasttablet (chewable)5 mgoralLaboratoire Riva IncNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Riva-montelukasttablet (chewable)4 mgoralLaboratoire Riva IncNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Riva-montelukast Fctablet10 mgoralLaboratoire Riva Inc2013-01-17Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Sandoz Montelukasttablet (chewable)5 mgoralSandoz Canada Incorporated2011-10-11Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Sandoz Montelukasttablet (chewable)4 mgoralSandoz Canada Incorporated2011-10-11Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Sandoz Montelukast Granulesgranules4 mgoralSandoz Canada Incorporated2011-10-11Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Sandoz Montelukast Tablettablet10 mgoralSandoz Canada Incorporated2011-10-11Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Singulairtablet, chewable5 mg/1oralPhysicians Total Care, Inc.2003-07-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable4 mg/1oralMerck Sharp & Dohme Corp.1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable5 mg/1oralbryant ranch prepack1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, film coated10 mg/1oralLake Erie Medical & Surgical Supply DBA Quality Care Products LLC2012-03-21Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairgranules4 mgoralMerck Canada Inc2004-02-20Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Singulairtablet, chewable4 mg/1oralA S Medication Solutions Llc1999-04-23Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable4 mg/1oralbryant ranch prepack1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, film coated10 mg/1oralREMEDYREPACK INC.2013-03-28Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet (chewable)4 mgoralMerck Canada Inc2001-04-09Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Singulairtablet, chewable5 mg/1oralA S Medication Solutions Llc2000-11-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, film coated10 mg/1oralbryant ranch prepack1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable5 mg/1oralRebel Distributors Corp1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet10 mgoralMerck Canada Inc1998-08-21Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Singulairtablet, film coated10 mg/1oralA S Medication Solutions Llc1998-08-12Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable4 mg/1oralPd Rx Pharmaceuticals, Inc.1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, film coated10 mg/1oralRebel Distributors Corp1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet (chewable)5 mgoralMerck Canada Inc1998-08-21Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Singulairgranule10 mg/1oralREMEDYREPACK INC.2013-03-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, film coated10 mg/1oralPd Rx Pharmaceuticals, Inc.1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable5 mg/1oralMerck Sharp & Dohme Corp.1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, film coated10 mg/1oralDispensing Solutions Inc.2009-10-08Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairgranule5 mg/1oralREMEDYREPACK INC.2013-02-26Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable5 mg/1oralCardinal Health1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, film coated10 mg/1oralMerck Sharp & Dohme Corp.1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable5 mg/1oralDispensing Solutions Inc.2009-10-08Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable4 mg/1oralLake Erie Medical & Surgical Supply DBA Quality Care Products LLC2012-03-21Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable4 mg/1oralPhysicians Total Care, Inc.2002-05-30Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, film coated10 mg/1oralCardinal Health1998-02-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairgranule4 mg/1oralMerck Sharp & Dohme Corp.2002-07-26Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, chewable5 mg/1oralLake Erie Medical & Surgical Supply DBA Quality Care Products LLC2012-03-21Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Singulairtablet, film coated10 mg/1oralPhysicians Total Care, Inc.2000-12-05Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Teva-montelukasttablet10 mgoralTeva Canada Limited2011-10-11Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Teva-montelukasttablet (chewable)5 mgoralTeva Canada Limited2011-10-11Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Teva-montelukasttablet (chewable)4 mgoralTeva Canada Limited2011-10-11Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Uni-montelukasttablet (chewable)5 mgoralUnimark Remedies LimitedNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Uni-montelukasttablet (chewable)4 mgoralUnimark Remedies LimitedNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Uni-montelukasttablet10 mgoralUnimark Remedies LimitedNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Van-montelukasttablet10 mgoralVanc Pharmaceuticals IncNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Van-montelukasttablet (chewable)5 mgoralVanc Pharmaceuticals IncNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Van-montelukasttablet (chewable)4 mgoralVanc Pharmaceuticals IncNot applicableNot applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Generic Prescription Products
NameDosageStrengthRouteLabellerMarketing StartMarketing End
Apo-montelukasttablet (chewable)4 mgoralApotex Inc2013-02-15Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Apo-montelukasttablet10 mgoralApotex Inc2012-01-20Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Apo-montelukasttablet (chewable)5 mgoralApotex Inc2013-02-15Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Montelukasttablet, chewable4 mg/1oralSandoz Inc2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, chewable5 mg/1oralWest ward Pharmaceutical Corp2014-12-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, film coated10 mg/1oralCamber Pharmaceuticals, Inc.2014-09-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, film coated10 mg/1oralWest ward Pharmaceutical Corp2014-12-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, chewable5 mg/1oralBionpharma Inc.2014-12-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, film coated10 mg/1oralSandoz Inc2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, film coated10 mg/1oralInternational Laboratories, Inc.2013-10-04Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, chewable4 mg/1oralBionpharma Inc.2014-12-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, chewable5 mg/1oralProficient Rx LP2014-12-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, film coated10 mg/1oralbryant ranch prepack2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, film coated10 mg/1oralClinical Solutions Wholesale2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet10 mg/1oralMacleods Pharmaceuticals Limited2012-02-28Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, film coated10 mg/1oralBionpharma Inc.2014-12-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, chewable5 mg/1oralSandoz Inc2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukasttablet, chewable4 mg/1oralWest ward Pharmaceutical Corp2014-12-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralAidarex Pharmaceuticals LLC2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralbryant ranch prepack2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralPreferred Pharmaceuticals, Inc.2014-05-05Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet10 mg/1oralRoxane Laboratories, Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralState of Florida DOH Central Pharmacy2014-01-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralBlue Point Laboratories2014-03-13Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralDIRECT RX2014-01-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet10 mg/1oralTorrent Pharmaceuticals Limited2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralDr.Reddy's Laboratories Limited2012-08-06Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralAv Kare, Inc.2013-01-02Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralQualitest Pharmaceuticals2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralCitron Pharma LLC2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralMylan Institutional Inc.2012-08-28Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralGlenmark Pharmaceuticals Inc., Usa2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralProficient Rx LP2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralTorrent Pharmaceuticals Limited2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralDr.Reddy's Laboratories Limited2012-08-06Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralAv Kare, Inc.2013-01-02Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralMed Vantx, Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralHangzhou Minsheng Binjiang Pharmaceutical Co., Ltd.2015-11-30Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralUnichem Pharmaceuticals (USA), Inc.2016-01-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralQualitest Pharmaceuticals2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralCitron Pharma LLC2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralAv Pak2014-10-02Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralCarilion Materials Management2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet10 mg/1oralProficient Rx LP2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralAmerican Health Packaging2013-05-222015-12-31Us 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralTorrent Pharmaceuticals Limited2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralTeva Pharmaceuticals USA Inc2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralPhysicians Total Care, Inc.2012-08-09Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralAv Kare, Inc.2012-08-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralAurobindo Pharma Limited2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralHangzhou Minsheng Binjiang Pharmaceutical Co., Ltd.2015-11-30Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, coated10 mg/1oralAjanta Pharma Limited2015-08-13Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumgranule4 mg/500mgoralMylan Pharmaceuticals Inc.2013-09-18Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralCardinal Health2013-05-23Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralAv Pak2014-11-12Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralCarilion Materials Management2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralProficient Rx LP2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralAmerican Health Packaging2012-07-022015-12-31Us 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralMajor Pharmaceuticals2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralTeva Pharmaceuticals USA Inc2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralPhysicians Total Care, Inc.2012-08-09Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralRebel Distributors Corp2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralAurobindo Pharma Limited2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralApotex Corp2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralAjanta Pharma Limited2015-08-13Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralMylan Pharmaceuticals Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralCardinal Health2012-08-29Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralAv Pak2014-11-11Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralCarilion Materials Management2012-08-032016-01-07Us 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralProficient Rx LP2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet10 mg/1oralMajor Pharmaceuticals2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralTeva Pharmaceuticals USA Inc2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralPhysicians Total Care, Inc.2012-08-09Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralMacleods Pharmaceuticals Limited2013-12-27Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralAurobindo Pharma Limited2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralApotex Corp2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralAjanta Pharma Limited2015-08-13Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralMylan Pharmaceuticals Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralCardinal Health2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralAphena Pharma Solutions Tennessee, Llc2012-08-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, coated10 mg/1oralAmerican Health Packaging2015-02-15Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralKremers Urban Pharmaceuticals Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralPreferred Pharmaceuticals Inc.2016-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralRoxane Laboratories, Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralMacleods Pharmaceuticals Limited2014-04-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet10 mg/1oralAmneal Pharmaceuticals of New York, LLC2013-07-31Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralApotex Corp2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralPd Rx Pharmaceuticals, Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralAmerican Health Packaging2015-02-15Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralKremers Urban Pharmaceuticals Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumgranule4 mg/1oralAjanta Pharma Limited2015-08-13Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralMylan Pharmaceuticals Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumgranule4 mg/1oralDr.Reddy's Laboratories Limited2012-09-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralLegacy Pharmaceutical Packaging2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable5 mg/1oralCamber Pharmaceuticals, Inc.2015-05-27Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralNcs Health Care Of Ky, Inc Dba Vangard Labs2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralState of Florida DOH Central Pharmacy2013-01-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralReady Meds2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralRoxane Laboratories, Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralState of Florida DOH Central Pharmacy2014-11-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralAmerican Health Packaging2012-07-022016-02-29Us 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralKremers Urban Pharmaceuticals Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralAccord Healthcare Inc.2013-01-15Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, coated10 mg/1oralDr.Reddy's Laboratories Limited2012-08-06Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet10 mg/1oralPd Rx Pharmaceuticals, Inc.2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, coated10 mg/1oralLegacy Pharmaceutical Packaging, Llc2012-08-06Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralbryant ranch prepack2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, chewable4 mg/1oralCamber Pharmaceuticals, Inc.2015-05-27Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralQualitest Pharmaceuticals2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralCitron Pharma LLC2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodiumtablet, film coated10 mg/1oralGen Source Rx2012-08-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodium Chewabletablet, chewable4 mg/1oralJubilant Cadista Pharmaceuticals Inc.2015-02-28Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Montelukast Sodium Chewabletablet, chewable5 mg/1oralJubilant Cadista Pharmaceuticals Inc.2015-02-28Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Over the Counter ProductsNot Available
International Brands
NameCompany
LukotasNot Available
MollyAllenge
MonocastBeximco
MontefloNot Available
Montelo-10Not Available
MonteneSquare
RespaireSanta-Farma
SurfairSandoz
TelumantesActavis
VentekSearle
VentilarGutis
XalarUnimed
ZespiraBilim
Brand mixturesNot Available
Salts
Name/CASStructureProperties
Montelukast sodium
ThumbNot applicableDBSALT001043
Categories
UNIIMHM278SD3E
CAS number158966-92-8
WeightAverage: 586.183
Monoisotopic: 585.21044242
Chemical FormulaC35H36ClNO3S
InChI KeyInChIKey=UCHDWCPVSPXUMX-TZIWLTJVSA-N
InChI
InChI=1S/C35H36ClNO3S/c1-34(2,40)30-9-4-3-7-25(30)13-17-32(41-23-35(18-19-35)22-33(38)39)27-8-5-6-24(20-27)10-15-29-16-12-26-11-14-28(36)21-31(26)37-29/h3-12,14-16,20-21,32,40H,13,17-19,22-23H2,1-2H3,(H,38,39)/b15-10+/t32-/m1/s1
IUPAC Name
2-[1-({[(1R)-1-{3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl}-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanyl}methyl)cyclopropyl]acetic acid
SMILES
OC(=O)CC1(CC1)CS[C@H](CCC1=CC=CC=C1C(O)(C)C)C1=CC=CC(\C=C\C2=NC3=C(C=CC(Cl)=C3)C=C2)=C1
Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as linear 1,3-diarylpropanoids. These are organic compounds with a structure based on a C6-C3-C6 skeleton, where the two benzene rings are not linked together.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassLinear 1,3-diarylpropanoids
Sub ClassNot Available
Direct ParentLinear 1,3-diarylpropanoids
Alternative Parents
Substituents
  • Linear 1,3-diarylpropanoid
  • Chloroquinoline
  • Quinoline
  • Phenylpropane
  • Styrene
  • Thia fatty acid
  • Fatty acyl
  • Benzenoid
  • Pyridine
  • Aryl halide
  • Aryl chloride
  • Heteroaromatic compound
  • Tertiary alcohol
  • Azacycle
  • Organoheterocyclic compound
  • Dialkylthioether
  • Sulfenyl compound
  • Thioether
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Aromatic alcohol
  • Organosulfur compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organochloride
  • Organohalogen compound
  • Carbonyl group
  • Alcohol
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Pharmacology
IndicationFor the treatment of asthma
PharmacodynamicsMontelukast, like zafirlukast, is a leukotriene receptor antagonist used as an alternative to anti-inflammatory medications in the management and chronic treatment of asthma and exercise-induced bronchospasm (EIB). Unlike zafirlukast, montelukast does not inhibit CYP2C9 or CYP3A4 and is, therefore, not expected to affect the hepatic clearance of drugs metabolized by these enzymes.
Mechanism of actionMontelukast selectively antagonizes leukotriene D4 (LTD4) at the cysteinyl leukotriene receptor, CysLT1, in the human airway. Montelukast inhibits the actions of LTD4 at the CysLT1 receptor, preventing airway edema, smooth muscle contraction, and enhanced secretion of thick, viscous mucus.
AbsorptionRapidly absorbed following oral administration (bioavailability is 64%)
Volume of distribution
  • 8 to 11 L
Protein binding99% (to plasma proteins)
Metabolism

Hepatic

SubstrateEnzymesProduct
Montelukast
Not Available
Montelukast metabolite M1Details
Montelukast
Montelukast metabolite M2aDetails
Montelukast
Montelukast metabolite M2bDetails
Montelukast
Montelukast metabolite M5aDetails
Montelukast
Montelukast metabolite M5bDetails
Montelukast
Montelukast metabolite M6aDetails
Montelukast
Montelukast metabolite M6bDetails
Route of eliminationCoupled with estimates of montelukast oral bioavailability, this indicates that montelukast and its metabolites are excreted almost exclusively via the bile.
Half life2.7-5.5 hours
Clearance
  • 45 mL/min [healthy adults]
ToxicitySide effects include headache, abdominal or stomach pain, cough, dental pain, dizziness, fever, heartburn, skin rash, stuffy nose, weakness or unusual tiredness.
Affected organisms
  • Humans and other mammals
PathwaysNot Available
SNP Mediated EffectsNot Available
SNP Mediated Adverse Drug ReactionsNot Available
ADMET
Predicted ADMET features
PropertyValueProbability
Human Intestinal Absorption+0.9947
Blood Brain Barrier+0.9311
Caco-2 permeable+0.5428
P-glycoprotein substrateSubstrate0.6839
P-glycoprotein inhibitor INon-inhibitor0.8863
P-glycoprotein inhibitor IINon-inhibitor0.9154
Renal organic cation transporterNon-inhibitor0.8395
CYP450 2C9 substrateNon-substrate0.6967
CYP450 2D6 substrateNon-substrate0.9116
CYP450 3A4 substrateSubstrate0.7284
CYP450 1A2 substrateNon-inhibitor0.6266
CYP450 2C9 inhibitorNon-inhibitor0.7177
CYP450 2D6 inhibitorNon-inhibitor0.8436
CYP450 2C19 inhibitorNon-inhibitor0.5777
CYP450 3A4 inhibitorNon-inhibitor0.6759
CYP450 inhibitory promiscuityLow CYP Inhibitory Promiscuity0.5515
Ames testNon AMES toxic0.7532
CarcinogenicityNon-carcinogens0.9126
BiodegradationNot ready biodegradable1.0
Rat acute toxicity2.6488 LD50, mol/kg Not applicable
hERG inhibition (predictor I)Weak inhibitor0.985
hERG inhibition (predictor II)Non-inhibitor0.7932
ADMET data is predicted using admetSAR, a free tool for evaluating chemical ADMET properties. (23092397 )
Pharmacoeconomics
Manufacturers
  • Merck research laboratories div merck co inc
  • Merck and co inc
Packagers
Dosage forms
FormRouteStrength
Granuleoral4 mg/500mg
Tabletoral10 mg/1
Tablet, coatedoral10 mg/1
Granuleoral10 mg/1
Granuleoral4 mg/1
Granuleoral5 mg/1
Granulesoral4 mg
Tabletoral10 mg
Tablet (chewable)oral4 mg
Tablet (chewable)oral5 mg
Tablet, chewableoral4 mg/1
Tablet, chewableoral5 mg/1
Tablet, film coatedoral10 mg/1
Prices
Unit descriptionCostUnit
Singulair 30 4 mg Chew Tabs Bottle145.91USD bottle
Singulair 30 4 mg Packets Packet145.91USD packet
Singulair 30 5 mg Chew Tabs Bottle145.91USD bottle
Singulair 10 mg tablet4.77USD tablet
DrugBank does not sell nor buy drugs. Pricing information is supplied for informational purposes only.
Patents
CountryPatent NumberApprovedExpires (estimated)
Canada20532091998-12-082011-10-10
Canada21794072009-03-172014-12-22
United States55654731995-08-032012-08-03
Properties
StateSolid
Experimental Properties
PropertyValueSource
logP7.9Not Available
Predicted Properties
PropertyValueSource
Water Solubility8.2e-06 mg/mLALOGPS
logP7.25ALOGPS
logP8.49ChemAxon
logS-7.8ALOGPS
pKa (Strongest Acidic)4.4ChemAxon
pKa (Strongest Basic)3.12ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area70.42 Å2ChemAxon
Rotatable Bond Count12ChemAxon
Refractivity169.5 m3·mol-1ChemAxon
Polarizability66.36 Å3ChemAxon
Number of Rings5ChemAxon
Bioavailability0ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Mass Spec (NIST)Not Available
SpectraNot Available
References
Synthesis Reference

Evgeny Shapiro, Ronit Yahalomi, Valerie Niddam-Hildesheim, Greta Sterimbaum, Kobi Chen, “Processes for preparing montelukast sodium.” U.S. Patent US20050256156, issued November 17, 2005.

US20050256156
General ReferencesNot Available
External Links
ATC CodesR03DC03
AHFS Codes
  • 48:10.24
PDB EntriesNot Available
FDA labelDownload (503 KB)
MSDSNot Available
Interactions
Drug Interactions
Drug
AmodiaquineThe serum concentration of Amodiaquine can be increased when it is combined with Montelukast.
GemfibrozilThe serum concentration of Montelukast can be increased when it is combined with Gemfibrozil.
LoxapineThe risk or severity of adverse effects can be increased when Montelukast is combined with Loxapine.
LumacaftorThe serum concentration of Montelukast can be decreased when it is combined with Lumacaftor.
Food Interactions
  • Take without regard to meals.

Targets

1. Cysteinyl leukotriene receptor 1

Kind: Protein

Organism: Human

Pharmacological action: yes

Actions: antagonist

Components

Name UniProt ID Details
Cysteinyl leukotriene receptor 1 Q9Y271 Details

References:

  1. Nayak A: A review of montelukast in the treatment of asthma and allergic rhinitis. Expert Opin Pharmacother. 2004 Mar;5(3):679-86. Pubmed
  2. Zhang YJ, Zhang L, Wang SB, Shen HH, Wei EQ: Montelukast modulates lung CysLT(1) receptor expression and eosinophilic inflammation in asthmatic mice. Acta Pharmacol Sin. 2004 Oct;25(10):1341-6. Pubmed
  3. Hamacher J, Eichert K, Braun C, Grebe T, Strub A, Lucas R, Eltze M, Wendel A: Montelukast exerts no acute direct effect on NO synthases. Pulm Pharmacol Ther. 2007;20(5):525-33. Epub 2006 May 19. Pubmed
  4. Langlois A, Ferland C, Tremblay GM, Laviolette M: Montelukast regulates eosinophil protease activity through a leukotriene-independent mechanism. J Allergy Clin Immunol. 2006 Jul;118(1):113-9. Epub 2006 May 19. Pubmed
  5. Alfieri AB, Tramontana M, Cialdai C, Lecci A, Giuliani S, Crea A, Manzini S, Maggi CA: Heterogeneous effect of leucotriene CysLT1 receptor antagonists on antigen-induced motor and inflammatory responses in guinea-pig airways. Auton Autacoid Pharmacol. 2007 Jan;27(1):39-46. Pubmed
  6. Chen X, Ji ZL, Chen YZ: TTD: Therapeutic Target Database. Nucleic Acids Res. 2002 Jan 1;30(1):412-5. Pubmed

2. Arachidonate 5-lipoxygenase

Kind: Protein

Organism: Human

Pharmacological action: unknown

Actions: other/unknown

Components

Name UniProt ID Details
Arachidonate 5-lipoxygenase P09917 Details

References:

  1. Ramires R, Caiaffa MF, Tursi A, Haeggstrom JZ, Macchia L: Novel inhibitory effect on 5-lipoxygenase activity by the anti-asthma drug montelukast. Biochem Biophys Res Commun. 2004 Nov 12;324(2):815-21. Pubmed

Enzymes

1. Cytochrome P450 3A4

Kind: Protein

Organism: Human

Pharmacological action: unknown

Actions: substrate

Components

Name UniProt ID Details
Cytochrome P450 3A4 P08684 Details

References:

  1. Zhou SF, Zhou ZW, Yang LP, Cai JP: Substrates, inducers, inhibitors and structure-activity relationships of human Cytochrome P450 2C9 and implications in drug development. Curr Med Chem. 2009;16(27):3480-675. Epub 2009 Sep 1. Pubmed

2. Cytochrome P450 2C9

Kind: Protein

Organism: Human

Pharmacological action: unknown

Actions: substrate

Components

Name UniProt ID Details
Cytochrome P450 2C9 P11712 Details

References:

  1. Zhou SF, Zhou ZW, Yang LP, Cai JP: Substrates, inducers, inhibitors and structure-activity relationships of human Cytochrome P450 2C9 and implications in drug development. Curr Med Chem. 2009;16(27):3480-675. Epub 2009 Sep 1. Pubmed

3. Cytochrome P450 2C8

Kind: Protein

Organism: Human

Pharmacological action: unknown

Actions: inhibitor

Components

Name UniProt ID Details
Cytochrome P450 2C8 P10632 Details

References:

  1. Schoch GA, Yano JK, Sansen S, Dansette PM, Stout CD, Johnson EF: Determinants of cytochrome P450 2C8 substrate binding: structures of complexes with montelukast, troglitazone, felodipine, and 9-cis-retinoic acid. J Biol Chem. 2008 Jun 20;283(25):17227-37. Epub 2008 Apr 15. Pubmed
  2. Walsky RL, Gaman EA, Obach RS: Examination of 209 drugs for inhibition of cytochrome P450 2C8. J Clin Pharmacol. 2005 Jan;45(1):68-78. Pubmed
  3. Flockhart DA. Drug Interactions: Cytochrome P450 Drug Interaction Table. Indiana University School of Medicine (2007). Accessed May 28, 2010.
  4. Preissner S, Kroll K, Dunkel M, Senger C, Goldsobel G, Kuzman D, Guenther S, Winnenburg R, Schroeder M, Preissner R: SuperCYP: a comprehensive database on Cytochrome P450 enzymes including a tool for analysis of CYP-drug interactions. Nucleic Acids Res. 2010 Jan;38(Database issue):D237-43. Epub 2009 Nov 24. Pubmed

4. Prostaglandin G/H synthase 1

Kind: Protein

Organism: Human

Pharmacological action: unknown

Actions: substrate

Components

Name UniProt ID Details
Prostaglandin G/H synthase 1 P23219 Details

References:

  1. Zhou SF, Zhou ZW, Yang LP, Cai JP: Substrates, inducers, inhibitors and structure-activity relationships of human Cytochrome P450 2C9 and implications in drug development. Curr Med Chem. 2009;16(27):3480-675. Epub 2009 Sep 1. Pubmed

5. Cytochrome P450 2A6

Kind: Protein

Organism: Human

Pharmacological action: unknown

Actions: substrate

Components

Name UniProt ID Details
Cytochrome P450 2A6 P11509 Details

References:

  1. Zhou SF, Zhou ZW, Yang LP, Cai JP: Substrates, inducers, inhibitors and structure-activity relationships of human Cytochrome P450 2C9 and implications in drug development. Curr Med Chem. 2009;16(27):3480-675. Epub 2009 Sep 1. Pubmed

Transporters

1. Solute carrier organic anion transporter family member 2B1

Kind: Protein

Organism: Human

Pharmacological action: unknown

Actions: substrate

Components

Name UniProt ID Details
Solute carrier organic anion transporter family member 2B1 O94956 Details

References:

  1. Mougey EB, Feng H, Castro M, Irvin CG, Lima JJ: Absorption of montelukast is transporter mediated: a common variant of OATP2B1 is associated with reduced plasma concentrations and poor response. Pharmacogenet Genomics. 2009 Feb;19(2):129-38. Pubmed

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Drug created on June 13, 2005 07:24 / Updated on February 24, 2014 16:08