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Certificate of Analysis

Benzo-15-crown-5 ether

Molecular Formula:	C₁₄H₂₀O₅
Molecular Weight:	268.31
CAS No.:	14098-44-3
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.77% purity | NMR: Consistent with structure