1-Methylpyrazole-4-carboxylic acid (CAS No. 5952-92-1) is a heterocyclic carboxylic acid intermediate widely used in pharmaceutical, agrochemical, and fine chemical industries.
Notably, it serves as a key intermediate in the synthesis of Aficamten (CK-274), a next-generation cardiac myosin inhibitor under development for the treatment of hypertrophic cardiomyopathy.
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