Certificate of Analysis

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Penicillin G benzathine tetrahydrate

Product Name:	Penicillin G benzathine tetrahydrate
Catalog Number:	E6075
Batch Number:	E607501

Molecular Formula:	C₁₆H₂₀N₂.2C₁₆H₁₈N₂O₄S.4H₂O
Molecular Weight:	981.19
CAS No.:	41372-02-5
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: 94.30% purity | NMR: Consistent with structure