PRODUCT NAME: (3S,4R)-Tofacitinib Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	TOF-004
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1092578-48-7
Mol. Formula	C₁₆H₂₀N₆O
Molecular Wt	312.37
Synonyms	(3S,4R)- 4-Methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-β-oxo-1-piperidinepropanenitrile; 2-Isocyano-1-((3S,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)ethanone
Long Term Storage Condition	No Data Available
Handling instruction	Sample COA

Test	Results
Appearance	No Data Available
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	No Data Available
Purity	NLT 98%
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