CAS 60658-40-4 appears in our catalog under these names: Undecanoic-d21 Acid, >95% (GC), Undecanoic-d21 Acid, 98 atom % D, min 98% Chemical Purity, Undecanoic acid–d21, Undecanoic acid-d21, 98.80%. Offered by: TRC, CDN, GLPBio, MedChemExpress. Available pack sizes: 10mg, 50mg, 5mg, 0,5g, 0,25g, 25mg, 25 mg, 50 mg.