Linagliptin impurity R Price Not Available 500 g Linagliptin impurity R Supplier Page Catalog Number CS-AQ-00178 Alternative Name(s) Linagliptin impurity R;7-(but-2-yn-1-yl)-8-(dimethylamino)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-2,3,6,7-tetrahydro-1H-purine-2,6-dione Molecular Formula C22H23N7O2 CAS# 1646355-34-1 Purity >98% SMILES CC#CCN1C(C(N(CC2=NC(C=CC=C3)=C3C(C)=N2)C4=O)=O)=C(N4C)N=C1N(C)C Size 500 g Supplier Page https://www.clearsynth.com/en/CSAQ00178.html