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

Catalogue Number	TOF-011
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	477600-73-0
Mol. Formula	C20H25N5
Molecular Wt	335.45
IUPAC	N-[(3R,4R)-1-benzyl-4-methylpiperidin-3-yl]-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine
Synonyms	Des-(N-oxopropanenitrile)-N-methylbenzyl
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	White to Yellow Powder or Crystals
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
Purity	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