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Certificate of Analysis

Disodium Cromoglycate

Molecular Formula:	C₂₃H₁₄O₁₁.2Na
Molecular Weight:	512.33
CAS No.:	15826-37-6
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.94% purity | NMR: Consistent with structure