CAS 4337-04-6 appears in our catalog under these names: L-Ascorbyl 2,6-dibutyrate, 95%, L-Ascorbyl 2,6-Dibutyrate, >98.0%(T), L-Ascorbyl 2,6-Dibutyrate, L-Ascorbic acid, 2,6-dibutanoate. Offered by: Combi-blocks, AmBeed, TCI, Chemat, MedChemExpress. Available pack sizes: 1g, 5g, 250mg, 200mg, 1 g, 250 mg, 100 mg.