Leupeptin；Acetyl-Leu-Leu-Arg-al；Leupeptin hemisulfate salt CAS 103476-89-7
Item No.： E0067
Store at： -20℃
English name：Leupeptin；Acetyl-Leu-Leu-Arg-al；N-Acetyl-L-leucyl-L-leucyl-L-argininal hemisulfate salt；Leupeptin hemisulfate salt
Other names: leucine inhibitory peptide; Leupeptin
C20H38N6O4 • 1/2H2SO4•H2O=493.62
Grade：Ultra pure grade
Content：≥80%
Specific Rotation (2%, Water)：-79～-85°
Physicochemical properties : White or off white powder. Trypsin inhibitor produced by Streptomyces roseus mb-26-ai, which is one of many protease inhibitors.The melting point of pure leupeptin is 110 ~ 140 ℃, which is soluble in water, methanol, ethanol, butanol and dimethyl sulfoxide, insoluble in ethyl acetate, acetone, chloroform and hexane. It shows attachment reaction to rydon Smith and sakou, and positive reaction to ninhydrin, ferric chloride, anthrone and Molly's.
Purpose: Biochemical research. It can inhibit trypsin, papain, histozyme B, plasmin, kallikrein, etc. its inhibition is competitive with the substrate. It can inhibit a variety of serine and cysteine proteases.
