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Certificate of Analysis

Raltitrexed

Molecular Formula:	C₂₁H₂₂N₄O₆S
Molecular Weight:	458.49
CAS No.:	112887-68-0
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.92% purity | NMR: Consistent with structure