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Certificate of Analysis

Alvespimycin (17-DMAG) HCl

Molecular Formula:	C₃₂H₄₈N₄O₈•HCl
Molecular Weight:	653.21
CAS No.:	467214-21-7
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.81% purity | NMR: Consistent with structure