(S)-Linagliptin
| Name of Impurity/Standard | (S)-Linagliptin |
| CAS No. | 668270-11-9 |
| Molecular Formula | C₂₅H₂₈N₈O₂ |
| Molecular Weight | 472.54 g/mol |
| Synonyms: 8-[(3S)-3-Amino-1-piperidinyl]-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione | |