1-(Mercaptomethyl)cyclopropaneacetic acid

It also serves as a precursor for creating other sulfur-containing organic compounds like thioureas, imino sulfides, and disulfides, with its stable yet reactive nature making it valuable in complex organic synthesis, though its instability can pose industrial challenges. 1-(Mercaptomethyl)cyclopropaneacetic acid is used mainly as a crucial building block (intermediate) in synthesizing the anti-asthma and allergy drug Montelukast (Singulair), providing its essential cyclopropane ring structure for the drug’s effectiveness.

API Name Montelukast sodium
CAS No 162515-68-6
Molecular Formula C6H10O2S
Molecular Weight 146.21 g/mol
Synonyms 2-[1-(sulfanylmethyl)cyclopropyl]acetic acid

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