PRODUCT NAME: Fostamatinib Impurity 1
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	FOS-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	841290-80-0
Mol. Formula	C22H23FN6O5
Molecular Wt	470.5 g/mol
IUPAC	6-((5-Fluoro-2-((3,4,5-trimethoxyphenyl)amino)pyrimidin-4-yl)amino)-2,2-dimethyl-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one
Synonyms
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	White To 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 (Slightly), Methanol (Slightly)
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