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Certificate of Analysis

Dihydrostreptomycin sulfate

Product Name:	Dihydrostreptomycin sulfate
Catalog Number:	S4523
Batch Number:	S452301

Molecular Formula:	2C₂₁H₄₁N₇O₁₂.3H₂SO₄
Molecular Weight:	1461.42
CAS No.:	5490-27-7
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.06% purity | NMR: Consistent with structure