PRODUCT NAME: Tofacitinib N-Oxide Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	TOF-014
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	2028267-73-2
Mol. Formula	C16H20N6O2
Molecular Wt	328.37
IUPAC	N-((3R,4R)-1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine oxide
Synonyms	(3R,4R)-4-Methyl-3-(methyloxido-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-beta-oxo-1-piperidinepropanenitrile
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	Light Brown Solid
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility	Chloroform, Methanol
Purity	98.00% HPLC
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption