Tadalafil (Cialis) Appearance: White crystalline powder Test Method: High Pressure Liquid Chromatography（HPLC） Melting Point:302℃-303℃ Loss on drying:0.5% max Heavy metals(Pb): 10ppm max Residue on ignition: 0.1% max Relevant Impurity:1.0% max Assay:≥99.0% Enterprise standard Red Colourful 99.9% Min add 5mg/tablet,capsule It excitated women’s sexuality and effect is very excellent enterprise standard Insect powder White powder It excitated women’s sexuality Enterprise[...]

Xinyangjian 99% min yellow powder Enterprise standard NanXingHuoLiJian 99% min yellowish powder Enterprise standard Xfills 99% min White powder Enterprise standard[...]

Sildenafil Mesylate White powder 99.0% Min 99.9% min (top grade) Enterprise standard Sildenafil Citrate (viagra） Appearance: White crystalline powder Assay:≥99.5% Solubility:Diffluent in Ach, slightly soluble in methanol, almost insoluble in chloroform Identification HPLC:Comply with standard IR: IR should comply with the reference standard spectrum Loss on Drying: 1.0%max Acidity:3.0-5.0 Residue on ignition:0.1%max Heavy Metals: 20ppm max Releva nt Impurity: 0.5% max Methanol:[...]

Hongdenafil (Acetildenafil) 99.0% Min It is derived from Sildenafil Citrate Enterprise standard Phentolamine Mesylate 99.0% Min White or similar white powder Enterprise standard[...]

Vardenafil Appearance: white powder Melting point:192ºC Loss on drying:0.5% Max Heavy metals: 20 PPM Max Purity:99.6% Min[...]