Tadalafil (Cialis)

Appearance: White crystalline powder

Test Method: High Pressure Liquid Chromatography(HPLC)

Melting Point:302-303 Degree C

Loss on drying:0.5% max

Heavy metals(Pb): 10ppm max

Residue on ignition: 0.1% max

Relevant Impurity:1.0% max

Assay:99.6% MIN

Enterprise standard