Sildenafil Citrate (Viagra)CAS: 139755-83-2MF: C22H30N6O4SMW: 474.58Appearance: White crystalline powder Assay: 98% min.Quality standard: USP30Packing: foil bag or tin. Storage temp. 2-8 CelciusStorage: shading, confined preservation.USES: male hormone. Viagra raw material
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