142522-28-9

Basic information

• Product Name: MONTELUKAST
• CAS NO: 142522-28-9
• Molecular Formula: C₃₅H₃₆ClNO₃S
• Molecular Weight: 586.192
• Mol File: 142522-28-9.mol
• Article Data: 2

Chemical Properties

• Appearance: /
• CAS DataBase Reference: MONTELUKAST(CAS DataBase Reference)
• NIST Chemistry Reference: MONTELUKAST(142522-28-9)
• EPA Substance Registry System: MONTELUKAST(142522-28-9)

Safety Data

• Hazardous Substances Data: 142522-28-9(Hazardous Substances Data)

Upstream product

• 162515-68-6 1-(sulfanylmethyl)cyclopropaneacetic acid 
• 169954-93-2 2-(2-(3(S)-(3-(2-(7-chloroquinolin-2-yl)ethyl)phenyl)-3-(methanesulfonyl-1-oxy)methylethyl)phenyl)-2-propanol 

Downstream Products

• 169954-94-3 dicyclohexylamine 1-(((1-(R)-(3-(2-(7-chloro-2-quinolidyl)ethenyl)phenyl)-3-(2-(1-hydroxy-1-methyl-ethyl)phenyl)propyl)thio)methyl)cyclopropanyl acetate 
• 151767-02-1 Montelukast sodium 

Relevant articles and documents

Method for preparing montelukast acid

The invention discloses a method for preparing montelukast acid. The method comprises a reaction b or a reaction a to a reaction b in the following synthetic route: the formula is shown in the description. The method disclosed by the invention can be used for preparing montelukast acid and salts thereof with low cost and high yield by means of simple operations by using low-cost and easily available raw materials, and is of significance and has practical value to prepare montelukast acid and salts thereof with low cost on a large scale.