Certificate of Analysis

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Topotecan HCl

Molecular Formula:	C₂₃H₂₃N₃O₅.HCl
Molecular Weight:	457.91
CAS No.:	119413-54-6
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: 99.94% purity | NMR: Consistent with structure