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Certificate of Analysis

Trimethoprim

Molecular Formula:	C₁₄H₁₈N₄O₃
Molecular Weight:	290.32
CAS No.:	738-70-5
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