CAS Registry Number

CAS 66701-25-5 — E-64

E-64 is a potent, irreversible inhibitor of cysteine proteases, commonly used in biochemical research to study protease activity and function. It is available in high purity and is suitable for use in enzyme inhibition studies and cellular assays. Catalogue details: CAS 66701-25-5, molecular formula C15H27N5O5, molecular weight 357.41 g/mol, stored at 2 to 8 °C. Molekula supplies E-64 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.