| Catalogue Number: | L-4452 | 
| Compound Name: | Linagliptin Impurity 31 | 
| Synonyms: | 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-6-((4-methylquinazolin-2-yl) methoxy)-3,7-dihydro-2H-purin-2-one | 
| CAS#: | |
| Alternate CAS#: | |
| Molecular Formula: | C20H17BrN6O2 | 
| Molecular Weight: | 453.30 | 
Linagliptin Impurity 97 Trifluoroacetate (Mixture of Isomers)
C33H39F3N8O9. C2HF3O2
M.W. 634.70 114.02