Certificate of Analysis

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Piperacillin

Molecular Formula:	C₂₃H₂₇N₅O₇S
Molecular Weight:	517.56
CAS No.:	61477-96-1
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: 98.02% purity | NMR: Consistent with structure