Montelukast EP impurity B

SL-5234

Montelukast EP impurity B, >98%

CAS No. : [918972-54-0]

Synonyms : [1-[[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(prop-1-en-2- yl)phenyl]propyl]sulfanyl]methyl]cyclopropyl]acetic acid; Montelukast USP related compound F; Montelukast methylstyrene; Anhydromontelukast; Dehydro montelukast; Styrene montelukast

IUPAC Name : (R,E)-2-(1-(((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(prop-1-en-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid

Price And Availability
Pack Size	Price in USD	Add To Shopping Cart	Availability	Shipping Status
25MG	Request A Quote		Back Order	Estimated to ship on 04 October 2026
50MG	Request A Quote		Back Order	Estimated to ship on 04 October 2026
100MG	Request A Quote		Back Order	Estimated to ship on 04 October 2026
250MG	Request A Quote		Back Order	Estimated to ship on 04 October 2026
500MG	Request A Quote		Back Order	Estimated to ship on 04 October 2026

Applications : This is an impurity of Montelukast (Montelukast EP impurity B), which is a leukotriene receptor antagonist used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies.

References : Zhang Y. J. et al.: Acta Pharmacol Sin, 25(10), 1341-1346, 2004.

Storage : Keep container tightly closed under nitrogen or argon and refrigerate for long-term shelf life.

Caution : In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves.