CAS 4071-36-7 appears in our catalog under these names: (S)–Ethyl 2–acetamido–4–methylpentanoate, Ac-Leu-OEt 98%, N-Acetyl-L-leucine ethyl ester, 98%, 98%, (S)-Ethyl 2-acetamido-4-methylpentanoate, 97%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 5g, 1g, 25g, 100g.