Updated CAS

Leupeptin

product Name Leupeptin
Synonyms 2-(2-Acetamido-4-methylvaleramido)-N-(1-formyl-4-guanidinobutyl)-4-methylvaleramide; Acetyl-L-leucyl-L-leucylargininal; Leupeptin Ac-LL; N-Acetyl-L-leucyl-L-leucyl-L-argininal; NK-381; L-Leucinamide, N-acetyl-L-leucyl-N-(4-((aminoiminomethyl)amino)-1-formylbutyl)-; Valeramide, 2-(2-acetamido-4-methylvaleramido)-N-(1-formyl-4-guanidinobutyl)-4-methyl-; N-acetyl-L-leucyl-N-{(2S)-5-[(diaminomethylidene)amino]-1-oxopentan-2-yl}-L-leucinamide; (2S)-2-(acetylamino)-N-[(2S)-2-({4-[(diaminomethylidene)amino]-1-formylbutyl}amino)-4-methylpentanoyl]-4-methylpentanamide (non-preferred name); leupeptin hemisulfate from microbial*source
Molecular Formula C20H38N6O4
Molecular Weight 426.5535
InChI InChI=1/C20H38N6O4/c1-12(2)9-16(24-14(5)28)18(29)26-19(30)17(10-13(3)4)25-15(11-27)7-6-8-23-20(21)22/h11-13,15-17,25H,6-10H2,1-5H3,(H,24,28)(H4,21,22,23)(H,26,29,30)/t15?,16-,17-/m0/s1
CAS Registry Number 24365-47-7;103476-89-7
Molecular Structure 24365-47-7;103476-89-7 Leupeptin
Density 1.21g/cm3
Refractive index 1.557
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