Levofloxacin and Intermediates|Iohexol|Cyromazine|Levofloxacin|Iopamidol--ZHEJIANG HISYN PHARMACEUTICAL CO.,LTD.-TAIZHOU NOVA MEDICINE CHEMISTRY CO.,LTD.

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Levofloxacin and Intermediates

[ Levofloxacin acid ]

CAS No.: 100986-89-8

1. Structure:

2. Molecular Formula: C₁₃H₉F₂NO₄
3. Molecular Weight: 281.21
4. Chemical name: (-)-9,10-difluoro-3-S-methyl-7-oxo-2,3-dihydro-7H-pyrido-(1,2,3-de)- 1,4-benzoxazine-6-carboxylic acid

4. Specifications:

	Appearance	white or off-white powder
	Specific rotation	-70 °~ -78 °
	Loss on drying	≤ 0.5%
	Related compounds	Single impurity ≤ 0.2%
	Related compounds	Total impurity ≤ 0.5%
	Assay	≥ 98.5%

5. Usage: Levofloxacin intermediate
6. Packing: 25 kg /drum