Terbinafine Hydrochloride CAS: 78628-80-5 Molecular Formula: C21H25N.HC1 Molecular weight: 327.90 Description: White or almost white crystalline powder Related substance: less than 1.0% Loss on drying: less than 0.5% Heavy metals: less than 0.001% PH: 3.0~4.5 Residue on ignition: less than 0.1% Assay: >98.5% In compliance with EP5