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Certificate of Analysis

Timolol Maleate

Molecular Formula:	C₁₃H₂₄N₄O₃S.C₄H₄O₄
Molecular Weight:	432.49
CAS No.:	26921-17-5
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.96% purity | NMR: Consistent with structure