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Certificate of Analysis

Sorafenib tosylate

Molecular Formula:	C₂₁H₁₆ClF₃N₄O₃.C₇H₈O₃S
Molecular Weight:	637.03
CAS No.:	475207-59-1
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.99% purity | NMR: Consistent with structure