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Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate

Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate structure

CAS No.: 70458-94-5

Chemical Name:: Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate

Synonyms: NORF-006;Norfloxacin Impurity 5;Norfloxacin Impurity 18;Pefloxacin EP Impurity G;Norfloxacin impurities1216;Pefloxacin Mesilate Dihydrate Impurity G;Pefloxacin Mesilate Dihydrate EP Impurity G;ethyl 7-chloro-1-ethyl-6-fluoro-4-oxoquinoline-5-carboxylate;Ethyl 7-chloro-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylate;7-chloro-1-ethyl-6-fluoro-4-oxo-5-quinolinecarboxylic acid ethyl ester

CBNumber:: CB31177313

Molecular Formula:: C14H13ClFNO3

Molecular Weight:: 297.71

MDL Number:: MFCD09751076

MOL File:: 70458-94-5.mol

MSDS File:: SDS

Last updated:2026-09-12 18:51:33

Request For Quotation

Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate Properties

Melting point	139-141 °C
Boiling point	425.2±45.0 °C(Predicted)
Density	1.335±0.06 g/cm3(Predicted)
storage temp.	Room Temperature
solubility	Dichloromethane, DMSO, Ethyl Acetate, Methanol
form	Solid
pka	0.35±0.70(Predicted)
color	Pale Yellow

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H335-H315-H319
Precautionary statements	P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P

Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	TRC-C315510-25MG	7-Chloro-1-Ethyl-6-Fluoro-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylic Acid Ethyl Ester	70458-94-5	25mg	$75	2026-06-03	Buy
TRC	TRC-C315510-10MG	7-Chloro-1-Ethyl-6-Fluoro-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylic Acid Ethyl Ester	70458-94-5	10mg	$39	2026-06-03	Buy
aablocks	AA005UJY	7-Chloro-1-Ethyl-6-Fluoro-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylic Acid Ethyl Ester	70458-94-5	10mg	$152	2026-05-28	Buy
aablocks	AA005UJY	7-Chloro-1-Ethyl-6-Fluoro-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylic Acid Ethyl Ester	70458-94-5	25mg	$180	2026-05-28	Buy
TRC	C315510	7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylicAcidEthylEster	70458-94-5	25mg	$105	2021-12-16	Buy

Product number	Packaging	Price	Buy
TRC-C315510-25MG	25mg	$75	Buy
TRC-C315510-10MG	10mg	$39	Buy
AA005UJY	10mg	$152	Buy
AA005UJY	25mg	$180	Buy
C315510	25mg	$105	Buy

Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate Chemical Properties, Uses, Production

Uses

7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester (Norfloxacin Impurity 5) is an impurity of Norfloxacin (N681000), an antibacterial agent and a contaminant of emerging concern (CECs).

Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate Preparation Products And Raw materials

Raw materials

Preparation Products

Norfloxacin Ethyl Ester

Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate Suppliers

Global Suppliers ( 42)

Supplier	Tel	Email	Country	ProdList	Advantage
S.Z. PhyStandard Bio-Tech. Co., Ltd.	0755-4000505016 13380397412	3001272453@qq.com	China	5000	50
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18188	56
Shandong Boluoda Biological Technology Co., Ltd.	0531-68651502	2310993908@qq.com	China	3228	58
Shanghai Synteam Biochem CO.,ltd	+86-021-58380978 13482386415	info@systeambc.com	China	897	50
Nanjing XiZe Biotechnology CO., Ltd.	025-66023220 15250997978	1511893459@qq.com	China	4777	55
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131885	58
Shenzhen SUNGENING Bio-Medical Co., Ltd.	0755-28967200 13631290199	wxf@sungening.com	China	9609	60
XinYao(Shenzhen) Biological Technology Co., Ltd.	0755-89880280	3004662104@qq.com	China	1826	58
PI & PI BIOTECH INC.	+86-13602409664 +86-17788709170	Sales@pipitech.com	China	2644	58
Jinan blalong chemical co. LTD	2710913286@qq.com	1513643261@qq.com	China	14227	58

Supplier	Advantage
S.Z. PhyStandard Bio-Tech. Co., Ltd.	50
Quality Control Solutions Ltd.	56
Shandong Boluoda Biological Technology Co., Ltd.	58
Shanghai Synteam Biochem CO.,ltd	50
Nanjing XiZe Biotechnology CO., Ltd.	55
Amadis Chemical Company Limited	58
Shenzhen SUNGENING Bio-Medical Co., Ltd.	60
XinYao(Shenzhen) Biological Technology Co., Ltd.	58
PI & PI BIOTECH INC.	58
Jinan blalong chemical co. LTD	58

View Latest Price from Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-12-19	Norfloxacin Impurity 5		10mg	90%+	10g	Guangzhou PI PI BIOTECH INC

Norfloxacin Impurity 5
90%+
Guangzhou PI PI BIOTECH INC

70458-94-5 (Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate) Related Search:

6-Chloro-1-Ethyl-4-Oxo-7-(Piperazin-1-yl)-1,4-Dihydroquinoline-3-Carboxylic acid Desethylene Norfloxacin Hydrochloride Norfloxacin-acyl-β-D-glucuronide Norfloxacin EP Impurity E Norfloxacin EP Impurity H

Norfloxacin Impurity 2 Norfloxacin EP Impurity D Norfloxacin NORFLOXACIN IMPURITY A Norfloxacin EP Impurity J

Norfloxacin EP Impurity I Norfloxacin EP Impurity G ethyl 7-chloro-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate Norfloxacin EP Impurity C Norfloxacin Impurity 1

Norfloxacin Impurity 3 Norfloxacin EP Impurity C Norfloxacin EP Impurity F

1of4

NORF-006 Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate Norfloxacin Impurity 5 7-chloro-1-ethyl-6-fluoro-4-oxo-5-quinolinecarboxylic acid ethyl ester 7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester Pefloxacin EP Impurity G 3-Quinolinecarboxylic acid, 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-, ethyl ester ethyl 7-chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate Ethyl 7-chloro-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylate ethyl 7-chloro-1-ethyl-6-fluoro-4-oxoquinoline-5-carboxylate Norfloxacin impurities1216 Pefloxacin Mesilate Dihydrate Impurity G Pefloxacin Mesilate Dihydrate EP Impurity G Ethyl 7-chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate (Pefloxacin Impurity) Ethyl 7-chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-5-carboxylate Norfloxacin Impurity 18 ETHYL 7-CHLORO-1-ETHYL-6-FLUORO-4-OXO-1,4-DIHYDRO-3-QUINOLINECARBOXYLATE Ethyl 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-5-carboxylate 70458-94-5