Sildenafil EP Impurity D with CAS No: 1357931-55-5 is an impurity standard of Sildenafil.
Sildenafil is a medication primarily used to treat erectile dysfunction (ED), a condition in which a man has difficulty achieving or maintaining an erection sufficient for sexual activity. Sildenafil is also sold under the brand name Viagra.Sildenafil belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. It works by inhibiting the enzyme PDE5.
Buy high quality Sildenafil EP Impurity D from Chemicea Pharmaceuticals. Chemicea Pharmaceuticals is one of the leading manufacturer and exporter of Sildenafil EP Impurity D

Sildenafil EP Impurity D

Sildenafil EP Impurity D
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CAT. No. CP-S2004
CAS. No. 1357931-55-5
Mol. F. C17H20N4O5S
Mol. Wt. 392.43
Stock Status In Stock
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Product Description


  • Category:Impurity Standards
  • Synonyms:Desmethylpiperazinyl Sildenafil Sulfonic Acid
  • Chemical Name:4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid (as per EP)

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