CAS 1217481-41-8 appears in our catalog under these names: Biotin–d2–1, BIOTIN-RING-6,6-D2, >= 98 ATOM % D, >= &, Biotin-d2-1, ≥98 atom% D,≥97%, ≥98 atom% D,≥97%, Biotin-d2-1, 99.65%. Offered by: GLPBio, Sigma-Aldrich, Chemat, MedChemExpress. Available pack sizes: 1mg, 10MG, 5MG, 1 mg, 5 mg.