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Sildenafil high purity Viagra powder CAS No.:171599-83-0 |
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CAS NO: 171599-83-0 Payment: WU,Bitcoin,T/T
Additional_detail:
Specification
Tests Specifications
Description White crystalline powder
Solubility diffluent in Ach, slightly soluble in methanol,almost insoluble in chloroform
HPLC Comply with standard
A292/A227 2.28~2.42
IR IR should comply with the reference standard spectrum.
citrate positive
Acidity 3.0~5.0
Loss on Drying ¡Â1.0%
Residue on ignition ¡Â0.1%
Heavy Metals ¡Â20ppm
Relevant Impurity ¡Â0.5%
Methanol ¡Â0.3%
Methylene dichloride ¡Â0.06%
N,N-Dimethyl formamide ¡Â0.088%
Assay 98.5~101.5%
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