Quinoline ethyl carboxylate

Chinese name: 1- cyclopropyl -6,7- difluoro -1,4- dihydrogen -8- methoxy -4- oxo -3- quinoline carboxylic acid ethyl ester

Chinese alias: intermediate of gatifloxacin

English name: 1-cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid ethyl ester

English aliases: ethyl1-cyclopropyl-6,methoxy-4-oxo-3

CAS No. : 112811-71-9

Molecular formula: C16H15F2NO4

Molecular weight: 323.29

Molecular formula: C16H15F2NO4

Level: medical

Content: 99%

Appearance: white powder

Mesh number: 80 mesh

Packing: 25kg/carton

The IR identification was consistent with the standard IR spectrum

Content of 98.0% or more (HPLC)

Single impurity 1.0%

Melting point of 182 ~ 186 ℃ in Chinese pharmacopeia 2005 edition of the appendix Ⅵ C

Combustion residue 0.2% or less in Chinese pharmacopeia 2005 edition of appendix Ⅷ N

Dry weight loss of 0.5% or less in Chinese pharmacopeia 2005 edition of the appendix Ⅷ L

Purpose: intermediate of gatifloxacin