CAS 9000-81-1 appears in our catalog under these names: Acetylcholinesterase, Acetylcholinesterase (fly head), Acetylcholinesterase (Electric eel), Acetylcholinesterase, type VI-S, 200-1,000 units/mg protein, ACETYLCHOLINESTERASE HUMAN, RECOMBINANT&. Offered by: TargetMol, GLPBio, Biosynth, Sigma-Aldrich, MedChemExpress. Available pack sizes: 10mg, 250mg, 50mg, 2ku, 2ku*10, 500u, 1mg, 5mg.