PRODUCT NAME: Tofacitinib Impurity L
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	TOF-003
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1269823-96-2
Mol. Formula	C16H20N6O2
Molecular Wt	328.37
Synonyms	3-{(3R,4R)-4-methyl-3-[methyl(6-oxo-6,7-dihydro-5Hpyrrolo[2,3-d]pyrimidin-4-yl)amino]piperidin-1-yl}-3-oxopropanenitrile.
Long Term Storage Condition	Store at 2-8 °C in well closed container under Nitrogen.
Handling instruction	Sample COA

Test	Results
Appearance	Off White 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	DMSO, Methanol, CDL3
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