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Certificate of Analysis

Suplatast Tosylate

Molecular Formula:	C₂₃H₃₃NO₇S₂
Molecular Weight:	499.64
CAS No.:	94055-76-2
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 98.64% purity | NMR: Consistent with structure