CAS Number
139755-95-6
Pyrazole N-Demethyl Sildenafil
SL Number
CSL-42385
Category
impurity
Molecular Formula
C21H28N6O4S
Molecular Weight
460.55
Description
1-[[3-(4,7-Dihydroxy-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methyl-piperazine; Desmethylsildenafil;
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