Sildenafil Citrate Powder CAS 139755-83-2

Molecular Weight: 474.58
Other names: Revatio, Viagra
Description: White or almost white slightly hygroscopic crystalline powder.
Solubility: Slightly soluble in water and in methanol, Practically insoluble in hexane.

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Description

Product introduction：

Product name: Sildenafil

Cas: 139755-83-2

MF: C₂₂H₃₀N₆O₄S

Molecular Weight: 474.58

Other names: Revatio, Viagra

Description: White or almost white slightly hygroscopic crystalline powder.

Solubility: Slightly soluble in water and in methanol, Practically insoluble in hexane.

Overview: sildenafil citrate powder CAS 139755-83-2 is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, sildenafil works by increasing blood flow to the penis to help a man get and keep an erection.

Specification

Product	Sildenafil
Batch No.	201911001
Mfg. date	20191113
Perform standard	usp
Item	Standards	Results
Description	White or almost white slightly hygroscopic crystalline powder.	White crystalline powder
Solubility	Slightly soluble in water and in methanol, Practically insoluble in hexane.	Conforms
Identification	The absorption maxima in the spectrum obtained with sample corresponds in position and relative intensity to those in the spectrum obtained with DIN-5-YL)-4-ETHOXYPHENYL)SULFONYL)-4-METHYL-,2-HYDROXY-1,2,3-PROPANETRICARBO USP CRS	Conforms
Limit of Imidazole by TLC	Not more than 0.1%	Conforms
Residual Solvents by GC
Methanol	≤3000 ppm	115ppm
Methylnechloride	≤600 ppm	ND
Ethyl acetatae	≤ 5000 ppm	ND
Toluene	≤890 ppm	ND
Acetone	≤5000 ppm	ND
Related substances	Related compound – A≤0.3%	0.02%
	Any other unspecified individual impurity≤0.1%	0.04%
	Total unspecified impurities≤0.3%	0.09%
	Total impurities≤0.5%	0.11%
Water content by KF	Not more than 2.50%	0.87%
Residue on ignition	Not more than 0.10%	0.07%
Heavy metals	Not more than 20 ppm	Complies
Assay by HPLC	98.0% to 102.0%	99.50%