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Certificate of Analysis

Estramustine

Molecular Formula:	C₂₃H₃₁Cl₂NO₃
Molecular Weight:	440.40
CAS No.:	2998-57-4
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 98.49% purity | NMR: Consistent with structure