Certificate of Analysis

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Roxithromycin

Molecular Formula:	C₄₁H₇₆N₂O₁₅
Molecular Weight:	837.06727
CAS No.:	80214-83-1
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: 99.00% purity | NMR: Consistent with structure