Specification :

Product Name: Viagra
CAS NO.: 139755-83-2
Molecular Formula: C22H3N6O4S-C6H8O7
Molecular Weight: 666.7
Appearance: white crystalline powder
Specification: MP: 190-193; Loss on drying:d0.5%Residue on Ignition: d0.5%Heavy Metals: d20PPM
Usse: It is pharmaceutical raw material, indicated for the treatment of erectile dysfunction.

Pls find our main products as follows:
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S062 190 N-Desmethyl Sildenafil
S063 191 Sildenafil-d8
S064 192 Homosildenafil
S065 193 Hydroxyhomosildenafil
S066 194 Norneosildena

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