Tadalafil

Tadalafil EP Impurity A Tadalafil Impurity A:

(6R,12aS)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione ; CAS : 171596-27-3 ; C22H19N3O4 ; MW: 389.40 ;
Tadalafil EP Impurity B Tadalafil Impurity B:

(6S,12aS)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione ; CAS : 629652-72-8 ; C22H19N3O4 ; MW: 389.40 ;
Tadalafil EP Impurity C Tadalafil Impurity C:

(6S,12aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione ; CAS : 171596-28-4 ; C22H19N3O4 ; MW: 389.40 ;
Tadalafil EP Impurity D Tadalafil Impurity D:

(6bR)-12-(1,3-Benzodioxol-5-yl)-12a-hydroxy-8-methyl-6a,6b,8,9,12,12a-hexahydropyrazino[1′,2′:1,2]-pyrrolo[3,4-c]quinoline-6,7,10(5H)-trione ; CAS : 951661-81-7 ; C22H19N3O6 ; MW: 421.40 ;
Tadalafil EP Impurity E Tadalafil Impurity E:

(6R,12aR,12bR)-6-(1,3-Benzodioxol-5-yl)-6a-hydroxy-2-methyl-2,3,6a,7,12a,12b-hexahydropyrazino[1′,2′:1,5]-pyrrolo[3,4-b]quinoline-1,4,12(6H)-trione ; C22H19N3O6 ; MW: 421.40 ;
Tadalafil EP Impurity F Tadalafil Impurity F:

(8a′R)-6′-(1,3-Benzodioxol-5-yl)-2′-methyl-2′,3′,8′,8a′-tetrahydro-6′H-spiro[3,1-benzoxazine-4,7′-pyrrolo[1,2a]pyrazine]-1′,2,4′(1H)-trione ; C22H19N3O6 ; Mol. Wt.: 421.4 ;
Tadalafil EP Impurity G Tadalafil Impurity G:

(12bR)-6-(1,3-Benzodioxol-5-yl)-12-hydroxy-2-methyl-2,3,6,12b-tetrahydropyrazino[1′,2′:1,5]pyrrolo[3,4-b]quinoline-1,4-dione ; CAS : 531500-48-8 (S-isomer) ;C22H17N3O5 ; Mol. Wt.: 403.39 ;
Tadalafil EP Impurity H Tadalafil Impurity H :

Tadalafil Ketolactam ; (6R,14aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,14,14a-tetrahydropyrazino[1,2-d][1,4]benzodiazonine-1,4,7,13(6H,8H)-tetrone ; CAS : 1346605-38-6 ; C22H19N3O6 ; Mol. Wt.: 421.4 ;
Tadalafil EP Impurity I Tadalafil Impurity I:

(8a′R)-6′-(1,3-Benzodioxol-5-yl)-2′-methyl-2′,3′,8′,8a′-tetrahydro-6′H-spiro[indole-3,7′-pyrrolo[1,2-a]pyrazine]-1′,2,4′(1H)-trione ; C22H19N3O5 ; Mol. Wt.: 405.4 ;