Indazole-3-carboxylic acid

It is also employed in the synthesis of compounds like 1H-indazole-3-carboxamide and various synthetic cannabinoids. Indazole-3-carboxylic acid is a key intermediate employed to synthesize several active pharmaceutical ingredients (APIs), most notably the 5-HT3 receptor antagonist granisetron, which serves as an anti-emetic in chemotherapy.

API Name Granisetron
CAS No 4498-67-3
Molecular Formula C8H6N2O2
Molecular Weight 162.15 g/mol
Synonyms 1H-indazole-3-carboxylic acid

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