CAS 50890-83-0 appears in our catalog under these names: Granisetron USP related compound D, Granisetron EP Impurity D, 1-Methylindazole-3-carboxylic Acid (Granisetron Impurity D), >95% (HPLC), 1-Methyl-1H-indazole-3-carboxylic Acid, 1–methyl–1H–indazole–3–carboxylic acid. Offered by: Chemat Brand, TRC, Mikromol, GLPBio, Thermo Scientific (Alfa Aesar). Available pack sizes: on request, 10mg, 1g, 50mg, 25mg, 100g, 25g, 5g.