ProductName: Benserazide Hydrochloride Molecular formula: C10H15N3O5•HCL CAS No.: 14919-77-8 Assay: 98.5% min Appearance: White or similar to white crystal powder Identification: Infra-red IR Specific optical rotation: -0.05°-+0.05° Loss on drying: 1.0% max Residue on ignition: 0.5% max Application: It is decarboxylase inhibitor.