PRODUCT NAME: Ruxolitinib N-Oxide Impurity 2
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	RXL-005
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	NA
Mol. Formula	C₁₇H₁₈N₆O
Molecular Wt	322.36 g/mol
Long Term Storage Condition	2–8°C (refrigerated) under inert gas (N2/Ar) to prevent oxidation/hydrolysis	Handling instruction	Sample COA
IUPAC	(R)-4-(1-(2-cyano-1-cyclopentylethyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 3-oxide
Chemical Name	Ruxolitinib N-Oxide Impurity 2
Synonyms	Ruxolitinib Di-oxide Impurity

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, methanol, acetonitrile; sparingly soluble in chloroform/ether.
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