Levofloxacin hydrochloride

盐酸左氧氟沙星

Also known as: (3S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid monohydrochloride, (3S)-9-Fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride (1:1), (S)-9-Fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride, Levofloxacin HCl, Levofloxacin hydrochloride (1:1), 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-, hydrochloride (1:1), (3S)-

Levofloxacin hydrochloride (CAS 177325-13-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H21ClFN3O4 and a molecular weight of 397.828 g/mol. It is also known as (3S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid monohydrochloride, (3S)-9-Fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride (1:1) and (S)-9-Fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride. Key properties include a boiling point of 571.5ºC at 760 mmHg and a flash point of 299.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

177325-13-2

Jingsj CID

J-2206-0

Molecular Formula

C₁₈H₂₁ClFN₃O₄

Chinese Name

盐酸左氧氟沙星

Molecular Weight

397.828 g/mol

Category

Organic Acids

Last updated

8/21/2026