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Certificate of Analysis

Parecoxib

Molecular Formula:	C₁₉H₁₈N₂O₄S
Molecular Weight:	370.42
CAS No.:	198470-84-7
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.77% purity | NMR: Consistent with structure