Linagliptin impurity G Price Not Available 500 g Linagliptin impurity G Supplier Page Catalog Number CS-AQ-00167 Alternative Name(s) Linagliptin Impurity G; 8-[(3S)-3-aminopiperidin-1-yl]-7-(but-2-yn-1-yl)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-2,3,6,7-tetrahydro-1H-purine-2,6-dione; Linagliptin S-Isomer Molecular Formula C25H28N8O2 CAS# 668270-11-9 Purity >98% SMILES CC#CCN1C(C(N(CC2=NC(C=CC=C3)=C3C(C)=N2)C4=O)=O)=C(N4C)N=C1N(CCC5)C[C@H]5N Size 500 g Supplier Page https://www.clearsynth.com/en/CSAQ00167.html