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

Catalogue Number	NIO-570
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	NA
Mol. Formula	C23H25FN7O10P
Molecular Wt	609.5
Long Term Storage Condition	Keep container tightly closed in a dry and well-ventilated place	Handling instruction	Sample COA
Chemical Name	Fostamatinib Nitroso Impurity 1
Synonyms	(6-((5-Fluoro-2-((3,4,5-trimethoxyphenyl)amino)pyrimidin-4-yl)(nitroso)amino)-2,2-dimethyl-3-oxo-2,3-dihydro-4H-pyrido[3,2-b][1,4]oxazin-4-yl)methyl dihydrogen phosphate

Test	Results
Appearance
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
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