666816-91-7

Linagliptin-4 Linagliptin Impurity 21 (R)-tert-butyl (1-(7-(but-2-yn-1-yl) Linagliptin Impurity 21/Linagliptin impurity U 3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-tert-butoxycarbonylaminopiperidin-1-yl)-xanthine 3-methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tert-butoxycarbonylamino)piperidin-1-yl]xanthine tert-butyl (R)-(1-(7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate Carbamic acid,[(3R)-1-[7-(2-butynyl)-2,3,6,7-tetrahydro-3-methyl-2,6-dioxo-1H-purin-8-yl]-3-piperidinyl]-, 1,1-dimethylethyl ester Linagliptin impurity 4/Tert-butyl (R)-(1-(7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate Carbamic acid, [(3R)-1-[7-(2-butynyl)-2,3,6,7-tetrahydro-3-methyl-2,6-dioxo-1H-purin-8-yl]-3-piperidinyl]-, 1,1-dimethylethyl ester (9CI) tert-butyl (R)-3-((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)amino)piperidine-1-carboxylate Linagliptin impurity UQ: What is Linagliptin impurity U Q: What is the CAS Number of Linagliptin impurity U Q: What is the storage condition of Linagliptin impurity U