Sildenafil

We offers sildenafil superlist name: sildenafil cas no.: 139755-83-2 formula: c22h30n6o4s synonyms: 4-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonyl-phenyl]-9-methyl-7-propyl-3,5,8,9-tetrazabicyclo[4.3.0]nona-3,7,10-trien-2-one;piperazine,1-[[3-(4,7-dihydro-1-methyl-7- oxo-3-propyl-1h-pyrazolo[4,3-d]pyrimidin- 5-yl)-4-ethoxyphenyl]sulf molecular weight: 474.58 melting point: 187-189 âºc boiling point: 672.4 âºc at 760 mmhg solubility: slightly soluble in water, methanol; very slightly soluble in ethanol, chloroform appearance: white crystalline powder.