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Pharmaceutical analytical standards

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

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Tofacitinib Impurity 20

ImpurityLevels of characterisation
Cat. No.
P-T142-062
Formula
C13H20ClN5
Family
Tofacitinib
Synonyms
2-Chloro-N-methyl-N-[(3R,4R)-4-methylpiperidin-3-yl]-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-amine

Tofacitinib Impurity 22

ImpurityLevels of characterisation
Cat. No.
P-T142-064
Formula
C39H53N7O2
Family
Tofacitinib
Synonyms
tert-Butyl 2,4-bis[[(3R,4R)-1-benzyl-4-methylpiperidin-3-yl]-methylamino]pyrrolo[2,3-d]pyrimidine-7-carboxylate

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