Certificate of Analysis

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Astragalus polyphenols

Molecular Formula:	C₂₀H₂₂O₉
Molecular Weight:	406.38
CAS No.:	82373-94-2
Storage (From the date of receipt):	3 years -20°C powder
Storage (From the date of receipt):	1 year -80°C in solvent
Image:

HPLC: 99.35% purity | NMR: Consistent with structure