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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Results 1,301-1,310 of 36,550

Linagliptin Impurity 21

ImpurityLevels of characterisation
Cat. No.
P-L066-061
Formula
C25H27N9O3
Family
Linagliptin
Synonyms
N-[7-But-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-2,6-dioxopurin-8-yl]-N-[(3R)-piperidin-3-yl]nitrous amide

Linagliptin Impurity 22

ImpurityLevels of characterisation
Cat. No.
P-L066-063
Formula
C45H43N15O5
Family
Linagliptin
Synonyms
N-[7-But-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-2,6-dioxopurin-8-yl]-N-[(3R)-1-[7-but-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-2,6-dioxopurin-8-yl]piperidin-3-yl]nitrous amide

Linagliptin Impurity 24

ImpurityLevels of characterisation
Cat. No.
P-L066-065
Formula
C23H26N8O2
Family
Linagliptin
Synonyms
8-[(3R)-3-Aminopiperidin-1-yl]-7-ethenyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]purine-2,6-dione

Linagliptin Impurity 26

ImpurityLevels of characterisation
Cat. No.
P-L066-067
Formula
C25H29N7O4
Family
Linagliptin
Synonyms
N-(2-Acetylphenyl)-2-[8-[(3S)-3-aminopiperidin-1-yl]-7-but-2-ynyl-3-methyl-2,6-dioxopurin-1-yl]acetamide

Linagliptin Impurity 27

ImpurityLevels of characterisation
Cat. No.
P-L066-068
Formula
C26H29N7O2
Family
Linagliptin
Synonyms
8-[(3R)-3-Aminopiperidin-1-yl]-7-but-2-ynyl-3-methyl-1-[(4-methylidene-3H-quinolin-2-yl)methyl]purine-2,6-dione

Linagliptin Impurity 29

ImpurityLevels of characterisation
Cat. No.
P-L066-070
Formula
C20H18BrN5O4
Family
Linagliptin
Synonyms
N-(2-Acetylphenyl)-2-(8-bromo-7-but-2-ynyl-3-methyl-2,6-dioxopurin-1-yl)acetamide

Linagliptin Impurity 32

ImpurityLevels of characterisation
Cat. No.
P-L066-073
Formula
C20H28N4O2
Family
Linagliptin
Synonyms
tert-Butyl N-[(3R)-1-[(4-methylquinazolin-2-yl)methyl]piperidin-3-yl]carbamate

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