CAS 61128-08-3 appears in our catalog under these names: SUCCINIC-2,3-13C2 ACID, 99 ATOM % 13C, Butanedioic-2,3-13C2 acid, Succinic acid-13C2-2. Offered by: Sigma-Aldrich, Chemat, MedChemExpress. Available pack sizes: 100MG, 5mg, 25mg, 1 mg, 5 mg, 10 mg.