Ethyl 6,7-difluoro-1-methyl-4-oxo-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylate

6,7-二氟-1-甲基-4-氧代-4H-[1,3]噻嗪[3,2-a]并喹啉-3-羧酸乙酯

Also known as: 6,7-Difluoro-1-methyl-4-oxo-4H-(1,3)thiazeto(3,2-a)quinoline-3-carboxylic acid ethyl ester, Prulifloxacin intermediate, PL-9, Ethyl 6,7-difluoro-1-methyl-4-oxo-1H,4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylate, Ethyl 6,7-difluoro-1-methyl-4-oxo-1,4-dihydro-[1,3]thiazeto[3,2-a]quinoline-3-carboxylate, 6,7-Difluoro-1-methyl-4-oxo-4H-[1,3]thiazeto[3,2-a]-3-quinoline carboxylic acid ethyl ester, MFCD08063939, PRULIFLOXACIN INTERMEDIATE 1

Ethyl 6,7-difluoro-1-methyl-4-oxo-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylate (CAS 113046-72-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H11F2NO3S and a molecular weight of 311.304 g/mol. It is also known as 6,7-Difluoro-1-methyl-4-oxo-4H-(1,3)thiazeto(3,2-a)quinoline-3-carboxylic acid ethyl ester, Prulifloxacin intermediate and PL-9. Key properties include a boiling point of 436.8±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 218.0±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

113046-72-3

Jingsj CID

J-1062181-9

Molecular Formula

C₁₄H₁₁F₂NO₃S

Chinese Name

6,7-二氟-1-甲基-4-氧代-4H-[1,3]噻嗪[3,2-a]并喹啉-3-羧酸乙酯

Molecular Weight

311.304 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026