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Category
Sildenafil
CAS Number
139756-00-6
Molecular Formula
C8H11N3O4
Molecular Weight
213.19
Catelogue Number
MLS-SIL-IH-IMP-SA/01
Synonym
1-methyl -4-nitro-3-n-propyl-1H-pyrazole-5-carboxylic acid|1-methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid|1-methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid.
Keywords
Aromatics
Heterocycles
Impurities
Pharmaceuticals
Intermediates & Fine Chemicals
Sulfur & Selenium Compounds
Sildenafil N-Oxide (Sildenafil EP Impurity B) is an impurity of Sildenafil citrate (S435000), as prodrug.