l  General Information  | 
Product Name  | E-64  | 
General description  | E-64 is an irreversible and selective cysteine protease inhibitor, and also inhibits papain, calpain, and cathepsins B and H, but not serine proteases or aspartic proteases. The IC50 for papain is 9 nM.  | 
Synonym  | Proteinase Inhibitor E 64; Thiol Protease Inhibitor  | 
Purity  | ≥98.5%(HPLC)  | CAS Number  | 66701-25-5  | 
Formula  | C15H27N5O5  | Molecular Weight  | 357.41  | 
Suitability  | BioReagent, suitable for cell culture, etc.  | 
l  Physical and Chemical Information  | 
Appearance  | Solid  | 
Solubility(25°C)  | DMSO  | ≥50mg/ml  | 
Ethanol  | Insoluble  | 
Water  | ≥5mg/ml  | 
l  Biological Information  | 
Biochem/Physiol
  Actions  | E64 is an epoxy monocarboxylic acid, a dicarboxylic acid monoamide, a member of guanidines and a L-leucine derivative. It has a role as a protease inhibitor, an antimalarial and an antiparasitic agent.  | 
l  Storage  | 
Storage temp.  | -20°C  | 
l  Precautions and Disclaimer  | 
This product is for R&D use only, not for drug, household, or other uses.  | 
l  References  | 
1.    http://www.drugbank.ca 2.    https://ncit.nci.nih.gov 3.    https://www.ncbi.nlm.nih.gov  |