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 ;
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 ;