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Certificate of Analysis

Cefoselis Sulfate

Molecular Formula:	C₁₉H₂₂N₈O₆S₂.H₂SO₄
Molecular Weight:	620.64
CAS No.:	122841-12-7
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.03% purity | NMR: Consistent with structure