| Identification | Back Directory |  [Name]
  3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Acid |  [CAS]
  437717-43-6 |  [Synonyms]
  Vardenafil EP Imp B Vardenafil EP Impurity B Vardenafil Sulfonic Acid Impurity Vardenafil Impurity 2(Vardenafil EP Impurity B) 3-(1,4-Dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Aci 3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Acid 4-Ethoxy-3-(5-methyl-4-oxo-7-propyl-1,4-dihydroimidazo[5,1-f][1,2 ,4]triazin-2-yl)benzenesulfonic acid Benzenesulfonic acid, 3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxy- |  [EINECS(EC#)]
  610-141-5 |  [Molecular Formula]
  C17H20N4O5S |  [MOL File]
  437717-43-6.mol |  [Molecular Weight]
  392.43 |  
 | Chemical Properties | Back Directory |  [Melting point ]
  >255°C (dec.) |  [density ]
  1.48±0.1 g/cm3(Predicted) |  [vapor pressure ]
  0.001-0.015Pa at 20-134.6℃ |  [storage temp. ]
  Refrigerator |  [solubility ]
  DMSO (Slightly, Heated), Methanol (Slightly, Heated) |  [form ]
  Solid |  [pka]
  -0.81±0.50(Predicted) |  [color ]
  White to Brown |  [LogP]
  -1.37 at 23℃ and pH8 |  [Surface tension]
  69.94mN/m at 1g/L and 20℃ |  
 | Hazard Information | Back Directory |  [Uses]
  3-(1,4-Dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Acid is an side product in the synthesis of vardenafil (V098000) derivatives. |  
  
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