Synonyms:

5-[2-ethoxy-5-(4-ethylpiperazine-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one;5-[2-Ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one;Sildenafil Impurity R;Sildenafil Impurity 24/Homosildenafil/5-[2-Ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one;Homo Sildenafil

HS Code: 29339900

Melting Point: 200-202°C

Storage: -20°CFreezer