Pharm-Rx Sildenafil Citrate

Chemical Name: Sildenafil Citrate

CAS Number: 171599-83-0

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    Enhanced TDS

    Identification & Functionality

    Chemical Name
    Molecular formula
    C₂₂H₃₀N₆O₄S . C₆H₈O₇
    Chemical Structure

     - 1


    Sildenafil Citrate contains NLT 98.0% and NMT 102.0% of sildenafil citrate (C₂₂H₃₀N₆O₄S · C₆H₈O₇ ), calculated on the anhydrous and solvent-free basis.

    Applications & Uses


    Typical Properties
    ValueUnitsTest Method / Conditions
    Molecular Weight666.7

    Regulatory & Compliance

    USP Reference Standards
    • USP Imidazole RS C₃H₄N₂ - 68.08
    • USP Sildenafil Citrate RS USP Sildenafil Related Compound A RS 5-[2-Ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl]- 1-methyl-3-(2-methylpropyl)-1,6-dihydro-7H- pyrazolo[4,3-d]pyrimidin-7-one; Also known as 1-{[3-(6,7-Dihydro-1-methyl-7-oxo-3- isobutyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4- ethoxyphenyl]sulfonyl}-4-methylpiperazine.
    • C₂₃H₃₂N₆O₄S - 488.61

    Storage & Handling

    Storage Information

    Preserve in air-tight containers, and store at room temperature.