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Certificate of Analysis

Doxazosin Mesylate

Molecular Formula:	C₂₃H₂₅N₅O₅.CH₄O₃S
Molecular Weight:	547.58
CAS No.:	77883-43-3
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.86% purity | NMR: Consistent with structure