CAS 66148-15-0 appears in our catalog under these names: Nicotinic Acid-d4, Nicotinic Acid-d4, >95% (HPLC), Nicotinic-d4 Acid, 98 atom % D, min 98% Chemical Purity, nicotinic–D4 acid, Vitamin B3-d4/ 99.86% (existing batch purity). Offered by: Chemat Brand, TRC, CDN, GLPBio, TargetMol. Available pack sizes: on request, 100mg, 2,5mg, 25mg, 0,5g, 0,25g, 10mg, 50mg.