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Product Name	Levofloxacin Carboxylic Acid
CAS No	100986-89-8
Catalog No	SC-15832
Quantity	250g
Batch No	20130316
Product Date	2013.03.16
Date of analysis	2013.03.16

Items of analysis	Specification	Results
Appearance	White to off-white powder	Conforms
Solubility	Freely soluble in dilute alkali solution	Conforms
Identification	IR spectrum of sample is concordant with that of Levofloxacin acid reference	Conforms
Water	≤0.2%	0.04%
Specific rotation	-69.0°~-73°	-73°
Chromatographic purity	Ethyl ester analogue: ≤0.2% Any other impurity: ≤0.2% Total impurities: ≤0.5%	0.03% 0.13% 0.28%
Chiral purity	D-isomer: ≤0.4%	0.24%
Assay	99.0%	99.7%
Remark	Declaration: For laboratory use by technically qualified individual only Sealed、Cool、Dark and dry place
Conclusion	It accords with the Enterprise Standard

Analyst: Jack Fu Check: Anne Zhang Date: 2013-03-16