SDF33: Sildenafil Aldehyde Impurity

SDF33: Sildenafil Aldehyde Impurity

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2-Ethoxy-5-(4-methyl-piperazin-1-yl-sulphonyl)-benzaldehyde ;

CAS # 332374-42-2 ;

C14H20N2O4S ;

MW: 312.38 ;

Impurity and intermediate of sildenafil ;