CAS 42831-50-5 appears in our catalog under these names: 5-Methylisoxazole-4-carboxylic Acid, 5–Methylisoxazole–4–carboxylic Acid, 5-Methyl-4-isoxazolecarboxylic acid, 5-METHYLISOXAZOLE-4-CARBOXYLIC ACID, 97%, 5-Methylisoxazole-4-carboxylic acid (Standard). Offered by: Mikromol, GLPBio, Biosynth, Sigma-Aldrich, MedChemExpress. Available pack sizes: 4x25mg, 100g, 0,25kg, 0,5kg, 1kg, 25MG, 10G, Get quote.