Sildenafil Impurities

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Parent Drug Name Name of Impurity Catalogue No.
Sildenafil Sildenafil Amide Impurity (MPC Impurity) VL136005View CAS 139756-01-7
Sildenafil Sildenafil Amine Impurity VL136033View CAS 139756-02-8
Sildenafil Sildenafil Carboxamide Impurity VL136034View
Sildenafil Sildenafil Carboxylic Acid VL136032View CAS 147676-78-6
Sildenafil Sildenafil Chlorosulfonyl Impurity VL136026View CAS 139756-22-2
Sildenafil Sildenafil Dimer Impurity VL136001View CAS 1346602-67-2
Sildenafil Sildenafil EP Impurity A VL136003View CAS 1391053-95-4
Sildenafil Sildenafil EP Impurity B VL136006View CAS 1094598-75-0
Sildenafil Sildenafil EP Impurity C VL136002View CAS 139755-91-2
Sildenafil Sildenafil EP Impurity D VL136004View CAS 1357931-55-5
Sildenafil Sildenafil Imidazole Impurity VL136012View
Sildenafil Sildenafil Impurity F VL136014View
Sildenafil Sildenafil Inhouse Impurity VL136029View CAS 619-86-3
Sildenafil Sildenafil Lactam Impurity VL136007View CAS 139756-21-1
Sildenafil Sildenafil N-Desmethyl VL136017View CAS 139755-82-1
Sildenafil Sildenafil N-Ethyl Impurity VL136023View CAS 642928-07-2
Sildenafil Sildenafil Related Compound 01 VL136011View CAS 139756-03-9
Sildenafil Sildenafil Related Impurity 3 VL136008View
Sildenafil Sildenafil Related Impurity 6 VL136010View
Sildenafil Sildenafil Sulfonyl Methyl Ester VL136022View
Sildenafil Tetra-n-butylammonium bromide VE006669View CAS 1643-19-2
Sildenafil 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid VE009322View CAS 139756-00-6
Sildenafil 1-[[3-(4, 7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo [4, 3-d]pyrimidine-5-yl)-4-ethoxy phenyl]sulfonyl]-piperazine VE009884View
Sildenafil 2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3, 5-dihydro-4H-pyrrolo[3, 4-d]pyrimidin-4-one VE009437View
Sildenafil 2-ethoxybenzamide (Sildenafil Inhouse Impurity) VL136030View CAS 938-73-8
Sildenafil 3-ethoxybenzoic acid VL136031View CAS 621-51-2