CAS Number
139755-82-1
N-Desmethyl Sildenafil
SL Number
CSL-29250
Category
impurity
Molecular Formula
C21H28N6O4S
Molecular Weight
460.55
Description
5-[2-Ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one; Desmethylsildenafil; UK 103320;
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