Additional information
Off-white Powder
139755-83-2
ACI-190323
1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy phenyl]sulfonyl]-4-methylpiperazine (Sildenafil free base)
5-[2-Ethoxy-5-(4-methyl-1-piperazinylsulfonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
195.9-198.6°C
C22H30N6O4S
474.58
Ambient
2-8°C
Sildenafil free base
Phosphodiesterase-5 inhibitor