CAS 22667-24-9 appears in our catalog under these names: Ethyl 5-formyl-1,2-oxazole-3-carboxylate, 95%, Ethyl 5-Formylisoxazole-3-carboxylate, 95%, Ethyl 5-formylisoxazole-3-carboxylate. Offered by: Combi-blocks, AmBeed, Biosynth. Available pack sizes: 5g, 1g, 250mg, 10g.