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Certificate of Analysis

Phentolamine Mesylate

Molecular Formula:	C₁₇H₁₉N₃O.CH₄O₃S
Molecular Weight:	377.46
CAS No.:	65-28-1
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.96% purity | NMR: Consistent with structure