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Certificate of Analysis

Fostamatinib (R788) disodium

Molecular Formula:	C₂₃H₂₄FN₆O₉P.2Na
Molecular Weight:	624.42
CAS No.:	1025687-58-4
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.88% purity | NMR: Consistent with structure