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Certificate of Analysis

Atracurium Besylate

Molecular Formula:	C₅₃H₇₂N₂O₁₂.2(C₆H₅O₃S)
Molecular Weight:	1243.48
CAS No.:	64228-81-5
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.32% purity | NMR: Consistent with structure