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Certificate of Analysis

Avermectin B1

Molecular Formula:	C₄₈H₇₂O₁₄
Molecular Weight:	873.08
CAS No.:	71751-41-2
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 98% purity | NMR: Consistent with structure