Nitrosamines can be formed through various chemical processes, including the reaction between nitrites and secondary amines in certain conditions. It is a N-Nitroso of secondary amine present in Sildenafil. Nitrosamines are part of a broader class of compounds known as N-nitroso compounds.
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 N-Nitroso Pyrazole N-Demethyl Sildenafil from Chemicea Pharmaceuticals. Chemicea Pharmaceuticals is one of the leading manufacturer and exporter of N-Nitroso Pyrazole N-Demethyl Sildenafil

N-Nitroso Pyrazole N-Demethyl Sildenafil

CAT. No. CP-S2016
CAS. No. NA
Mol. F. C21H27N7O5S
Mol. Wt. 489.55
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Product Description


  • Category:Impurity Standards
  • Synonyms:NA
  • Chemical Name:5-(2-Ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-nitroso-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

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