| | Identification | Back Directory |  | [Name] 
 Tadalafil Impurity 64
 |  | [CAS] 
 629652-67-1
 |  | [Synonyms] 
 Tadalafil Impurity 64
 Pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2-cyclohexyl-2,3,6,7,12,12a-hexahydro-, (6R,12aR)-rel-
 |  | [Molecular Formula] 
 C27H27N3O4
 |  | [MOL File] 
 629652-67-1.mol
 |  | [Molecular Weight] 
 457.52
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 268-269 °C(Solv: methanol (67-56-1); water (7732-18-5))
 |  | [Boiling point ] 
 721.3±60.0 °C(Predicted)
 |  | [density ] 
 1.43±0.1 g/cm3(Predicted)
 |  | [pka] 
 16.83±0.40(Predicted)
 | 
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