Linagliptin Regio Isomer Nitroso Impurity 1
![](https://kemiezen.com/wp-content/uploads/2023/07/LINAGLIPTIN-N-NITROSO-IMP-1.png?v=1689234888)
CAS No :
NA
Molecular Formula:
C25H27N9O3
Molecular Weight:
501.6
Chemical Name:
(R)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-((1-nitrosopiperidin-3-yl)amino)-3,7-dihydro-1H-purine-2,6-dione
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Linagliptin Impurity 78
![](https://kemiezen.com/wp-content/uploads/2023/07/linagliptin-IMP-78.png?v=1689224386)
CAS No: NA
Molecular Formula: C32H32N8O2
Molecular Weight: 560.7
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Linagliptin Impurity 4
![](https://kemiezen.com/wp-content/uploads/2023/07/linagliptin-imp-2.png?v=1689061834)
CAS No: NA
Molecular Formula: C35H36N10O2
Molecular Weight: 628.7
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Linagliptin Regio Isomer Dinitroso Impurity
![](https://kemiezen.com/wp-content/uploads/2023/07/LINAGLIPTIN-N-NITROSO-IMP-2.png?v=1689235091)
CAS No: NA
Molecular Formula: C25H26N10O4
Molecular Weight: 530.5
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Linagliptin Impurity 5
![](https://kemiezen.com/wp-content/uploads/2023/07/linagliptin-imp-5.png?v=1689062084)
CAS No: 2253964-85-9
Molecular Formula: C25H28N8O2
Molecular Weight: 472.6
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Linagliptin Impurity 37
![](https://kemiezen.com/wp-content/uploads/2023/07/linagliptin-IMP-37.png?v=1689146146)
CAS No: 2074688-81-4
Molecular Formula: C33H32N8O5
Molecular Weight: 620.7
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Linagliptin Impurity 42
![](https://kemiezen.com/wp-content/uploads/2023/07/linagliptin-IMP-42.png?v=1689152038)
CAS No: NA
Molecular Formula: C25H30N8O3
Molecular Weight: 490.6
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Linagliptin Impurity 75
![](https://kemiezen.com/wp-content/uploads/2023/07/linagliptin-IMP-75.png?v=1689222500)
CAS No: NA
Molecular Formula: C31H40N10O2 : HCl
Molecular Weight: 584.7 : 36.5
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Linagliptin Stereochemical Impurity
![](https://kemiezen.com/wp-content/uploads/2023/07/linagliptin-STEREOCHEMICAL.png?v=1689145045)
CAS No: 1383917-84-7
Molecular Formula: C25H28N8O2
Molecular Weight: 472.6
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