Intermediate of API

Linagliptin Impurity 33

CasNo:2443735-53-1

Molecular Formula:C38H42N10O4

Specifications:>95+%

Linagliptin Impurity JX

CasNo:2137744-33-1

Molecular Formula:C26H28N8O3

Specifications:>95+%

Linagliptin iMpurity E

CasNo:1446263-38-2

Molecular Formula:C25H28N8O2

Specifications:>95+%

Linagliptin Impurity F

CasNo:1673546-62-7

Molecular Formula:C27H27F3N8O3

Specifications:>95%+HPLC

Linagliptin Impurity D

CasNo:666816-91-7

Molecular Formula:C20H28N6O4

Specifications:>95%+HPLC

INDEX NAME NOT YET ASSIGNED

CasNo:2748491-45-2

Molecular Formula:C21H24N8O2

Specifications:>95%+HPLC

Linagliptin Impurity K

CasNo:1638744-06-5

Molecular Formula:C25H29BrN8O2

Specifications:>95%+HPLC

Linagliptin Impurity 3

CasNo:2749409-37-6

Molecular Formula:C19H24N6O2

Specifications:>95%+HPLC

Linagliptin Impurity H

CasNo:1646355-34-1

Molecular Formula:C22H23N7O2

Specifications:>95%+HPLC

Linagliptin Impurity 51

CasNo:2138392-83-1

Molecular Formula:C26H21BrN8O2

Specifications:>95%+HPLC

1H-Purine-2,6-dione, 7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-8-[(4-methyl-2-quinazolinyl)methoxy]-1-[(4-methyl-2-quinazolinyl)methyl]-

CasNo:2469626-53-5

Molecular Formula:C30H26N8O3

Specifications:>95%+HPLC

Linagliptin Impurity 35

CasNo:668273-75-4

Molecular Formula:C30H36N8O4

Specifications:>95%+HPLC