CAS 288315-09-3 appears in our catalog under these names: Methylcobalamin hydrate, 95%, Methylcobalamin Hydrate, Methylcobalamin Hydrate, Methylcobalamin hydrate, 97% , Methylcobalamin Hydrate, >98.0%(N). Offered by: Combi-blocks, Chemat Brand, GLPBio, Thermo Scientific (Alfa Aesar), TCI. Available pack sizes: 250mg, 1g, on request, 100mg, 500mg, 1000mg, 5g, 50 mg.