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171489-03-5

171489-03-5 Structure

171489-03-5 Structure
IdentificationBack Directory
[Name]

(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
[CAS]

171489-03-5
[Synonyms]

Tadalafil Catechol
Tadalafil IMpurity K
Tadalafil Impurity 43
Tadalafil Impurity 48
DesMethylene Tadalafil
Tadalafil IMpurity: IMpurity I
Tadalafil Desmethylene Impurity
(6R,12aR)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
(6R,12aR)-6-(3,4-Dihydroxyphenyl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b]indole-1,4-dione
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione, 6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)-
[Molecular Formula]

C21H19N3O4
[MOL File]

171489-03-5.mol
[Molecular Weight]

377.39
Chemical PropertiesBack Directory
[Melting point ]

>215°C (dec.)
[Boiling point ]

735.3±60.0 °C(Predicted)
[density ]

1.56±0.1 g/cm3(Predicted)
[storage temp. ]

Hygroscopic, -20°C Freezer, Under inert atmosphere
[solubility ]

DMSO (Sparingly), Methanol (Slightly)
[form ]

Solid
[pka]

9.58±0.10(Predicted)
[color ]

Off-White to Light Pink
[Stability:]

Hygroscopic
Hazard InformationBack Directory
[Chemical Properties]

Off-White to Pale Pink Solid
[Uses]

Tadalafil. A phosphodiesterase 5 inhibitor.
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