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Certificate of Analysis

Sivelestat

Molecular Formula:	C₂₀H₂₂N₂O₇S
Molecular Weight:	434.46
CAS No.:	127373-66-4
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.11% purity | NMR: Consistent with structure