Certificate of Analysis

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R788 (Fostamatinib) 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
Storage (From the date of receipt):	1 year -80°C in solvent
Image:

HPLC: 99.24% purity | NMR: Consistent with structure