| Catalogue Number: | L-444 | 
| Compound Name: | Linagliptin Dimer Impurity 1 (Mixture of Diastereomers) | 
| Synonyms: | 1-((4-(2-(((5R)-5-amino-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)amino)propyl)quinazolin-2-yl)methyl)-8-((R)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione | 
| CAS#: | |
| Alternate CAS#: | |
| Molecular Formula: | C52H59N17O4 | 
| Molecular Weight: | 986.16 | 
Linagliptin Impurity 97 Trifluoroacetate (Mixture of Isomers)
C33H39F3N8O9. C2HF3O2
M.W. 634.70 114.02