SDF40: Sildenafil Chlorosulfone O-Desethyl Impurity

SDF40: Sildenafil Chlorosulfone O-Desethyl Impurity

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Sildenafil Chlorosulfone O-Desethyl Impurity ;

4-Hydroxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d] pyrimidin-5-yl)benzene-1-sulfonyl chloride ;

CAS # 139756-27-7 ;

C15H15ClN4O4S ;

MW: 382.82 ;