Date published: 2026-7-28

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Montelukast Sodium (CAS 151767-02-1)

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Application:
Montelukast Sodium is a potent and highly selective CysLT1 receptor antagonist, without demonstrated CysLT2 activity
CAS Number:
151767-02-1
Purity:
≥98%
Molecular Weight:
608.17
Molecular Formula:
C35H35ClNO3S•Na
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Montelukast Sodium is a potent, selective, anti-inflammatory CysLT1 receptor antagonist (IC50 < 5nM) with no appreciable affect on the CysLT2 receptor. In rat colitis Montelukast Sodium has demonstrated the ability to increase PGE2 (Prostaglandin E2 - sc-201225) production and lower COX-2 expression. Inhibition is competitive with respect to leukotrienes - particularly LTD4, a biologically active mediator that plays an important role in the control of several biochemical pathways involving pulmonary and immune system function.


Montelukast Sodium (CAS 151767-02-1) References

  1. Characterization of the human cysteinyl leukotriene CysLT1 receptor.  |  Lynch, KR., et al. 1999. Nature. 399: 789-93. PMID: 10391245
  2. Identification, molecular cloning, expression, and characterization of a cysteinyl leukotriene receptor.  |  Sarau, HM., et al. 1999. Mol Pharmacol. 56: 657-63. PMID: 10462554
  3. Characterization of the human cysteinyl leukotriene 2 receptor.  |  Heise, CE., et al. 2000. J Biol Chem. 275: 30531-6. PMID: 10851239
  4. Acute effects of the cys-leukotriene-1 receptor antagonist, montelukast, on experimental colitis in rats.  |  Holma, R., et al. 2001. Eur J Pharmacol. 429: 309-18. PMID: 11698051
  5. The role of leukotrienes in allergic rhinitis.  |  Peters-Golden, M. and Henderson, WR. 2005. Ann Allergy Asthma Immunol. 94: 609-18; quiz 618-20, 669. PMID: 15984591
  6. Montelukast sodium-induced hematuria: a case report and literature review of 19 cases in mainland China.  |  Xie, JX., et al. 2013. Int J Clin Pharmacol Ther. 51: 958-62. PMID: 24131737
  7. Do Montelukast Sodium and N-Acetylcysteine Have a Nephroprotective Effect on Unilateral Ureteral Obstruction? A Placebo Controlled Trial in a Rat Model.  |  Sunay, M., et al. 2015. J Urol. 194: 1132-7. PMID: 25776910
  8. Fabrication of Montelukast sodium loaded filaments and 3D printing transdermal patches onto packaging material.  |  Azizoğlu, E. and Özer, Ö. 2020. Int J Pharm. 587: 119588. PMID: 32663585
  9. Dipyridamole, chloroquine, montelukast sodium, candesartan, oxytetracycline, and atazanavir are not SARS-CoV-2 main protease inhibitors.  |  Ma, C. and Wang, J. 2021. Proc Natl Acad Sci U S A. 118: PMID: 33568498
  10. Clinical outcome of Montelukast Sodium in Children with Adenoid Hypertrophy.  |  Naqi, SA., et al. 2021. Pak J Med Sci. 37: 362-366. PMID: 33679914
  11. Fabrication of pure-drug microneedles for delivery of montelukast sodium.  |  Azizoglu, E., et al. 2022. Drug Deliv Transl Res. 12: 444-458. PMID: 34480297
  12. Cross-linked Alginate Beads of Montelukast Sodium Coated with Eudragit for Chronotherapy: Statistical Optimization, In vitro and In vivo Evaluation.  |  Ranjan, OP., et al. 2022. Curr Drug Deliv. 19: 1047-1060. PMID: 35189803
  13. Effect of Montelukast sodium combined with Budesonide aerosol on airway function and T lymphocytes in asthmatic children.  |  Jin, W., et al. 2022. Pak J Med Sci. 38: 1265-1270. PMID: 35799724
  14. Montelukast, a once-daily leukotriene receptor antagonist, in the treatment of chronic asthma: a multicenter, randomized, double-blind trial. Montelukast Clinical Research Study Group.  |  Reiss, TF., et al. 1998. Arch Intern Med. 158: 1213-20. PMID: 9625400
  15. Montelukast, a leukotriene-receptor antagonist, for the treatment of mild asthma and exercise-induced bronchoconstriction.  |  Leff, JA., et al. 1998. N Engl J Med. 339: 147-52. PMID: 9664090

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Montelukast Sodium, 10 mg

sc-202231
10 mg
$51.00

Montelukast Sodium, 25 mg

sc-202231A
25 mg
$85.00

Montelukast Sodium, 250 mg

sc-202231B
250 mg
$161.00