PRODUCT NAME: Ruxolitinib Phosphate IH Impurity-E
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	RXL-004
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	941685-37-6
Mol. Formula	C17H18N6
Molecular Wt	306.37 g/mol
Long Term Storage Condition	2-8°C Refrigerator	Handling instruction	Sample COA
IUPAC	(3S)-3-cyclopentyl-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)pyrazol-1-yl]propanenitrile
Chemical Name	Ruxolitinib Phosphate IH Impurity-E
Synonyms	(βS)-β-Cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazole-1-propanenitrile; (3S)-3-Cyclopentyl-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile

Test	Results
Appearance	Off white to pale brown Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 97.41 % by HPLC
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Sparingly 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