N-Desmethyl ent-Tadalafil

In House Impurity

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Catalogue number:	PA 20 0021016
Chemical name:	N-Desmethyl ent-Tadalafil
CAS Number:	929100-66-3
Category:	impurities,metabolites,pharmaceutical standards,intermediates,Fine Chemicals
Synonyms:	(6R,12aS)-6-(Benzo[d][1,3]dioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino[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-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-, (6R,12aS); (6R,12aS)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione; (6R,12aS)-N-Desmethyl ent-Tadalafil;
Molecular form:	C₂₁H₁₇N₃O₄
Appearance:	White to Off-White Solid
Mol. Weight:	375.38
Storage:	2-8°C Refrigerator
Shipping Conditions:	Ambient
Applications:	(6R,12aS)-N-Desmethyl Tadalafil (Tadalafil EP Impurity A N-Desmethyl Impurity) is an intermediate in the synthesis of novel potent arylated analogues of tadalafil.