Detailed Pdsroduct DescriptionSynonym Pepstatin A Molecular Formula C34H63N5O9 Molecular Weight 685.89 CAS Number 26305-03-3 Specification TEST SPECIFICATION Appearance (Color) White Appearance (Form) Powder Solubility (Color) Colorless Solubility (Turbidity) Clear to Hazy 10 mg/ml, ethanol Carbon 58.3 - 60.7 % Nitrogen 9.2 - 11.0 % Infrared spectrum Conforms to Structure Purity (HPLC) ≥75 % Specific Rotation -105 - -75 ° C = 0.288, MeOH, 25 deg C Recommended Retest Period ------------------------------ 3 years