PRODUCT NAME: Ritlecitinib N-oxide Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	RTN-001
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	N/A
Mol. Formula	C15H19N5O2
Molecular Wt	301.30 g/mol
Long Term Storage Condition	2°C to 8°C	Handling instruction	Sample COA
IUPAC	4-(((3R,6S)-1-acryloyl-6-methylpiperidin-3-yl)amino)-7H-pyrrolo(2,3-d)pyrimidine 1-oxide
Chemical Name	Ritlecitinib N-oxide Impurity
Synonyms

Test	Results
Appearance	White to Off-White Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Soluble In DMSO
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption