CAS 41172-57-0 appears in our catalog under these names: Methyl 5-methyloxazole-4-carboxylate, 98%, 5-Methyl-4-oxazolecarboxylic Acid Methyl Ester, Methyl 5–methyloxazole–4–carboxylate, Methyl 5-methyloxazole-4-carboxylate 98%, METHYL 5-METHYL-4-OXAZOLECARBOXYLATE, 95%, 95%. Offered by: Combi-blocks, TRC, GLPBio, Ambeed, Chemat. Available pack sizes: 10g, 5g, 25g, 100g, 1g, 2,5g, 500mg, 250mg.