CAS 21160-87-2 appears in our catalog under these names: L-Glutamic acid-15N, 98% 10atom%15N, L–Glutamic acid–15N, L-GLUTAMIC-15N ACID, 98+ ATOM % 15N, L-Glutamic-15N acid, L-Glutamic acid-15N, 98.0%. Offered by: AmBeed, GLPBio, Sigma-Aldrich, Chemat, MedChemExpress. Available pack sizes: 10mg, 5mg, 100mg, 25mg, 50mg, 500MG, 5 mg, 10 mg.