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7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid structure

CAS No.: 86393-33-1

Chemical Name:: 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

Synonyms: Q-ACID;Fluoroquinolonic acid;FLUOROQUINOLONE;TIMTEC-BB SBB003016;7-CHLORO-6-FLUORO-1-CYCLOPROPYL-1,4-DIHYDRO-4-OXOQUINOLINE-3-CARBOXYLIC ACID;7-CHLORO-1-CYCLOPROPYL-1,4-DIHYDRO-6-FLUOROQUINOL-4-ONE-3-CARBOXYLIC ACID;7-CHLORO-1-CYCLOPROPYL-6-FLUORO-4-OXO-1,4-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID;AKOS 1131;Q.Acid levo;1-Ciprofloxacin

CBNumber:: CB6111667

Molecular Formula:: C13H9ClFNO3

Molecular Weight:: 281.67

MDL Number:: MFCD00792458

MOL File:: 86393-33-1.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 02:20:54

Product description	Number	Pack Size	Price
Fluoroquinolonic acid Pharmaceutical Secondary Standard; Certified Reference Material	PHR1174	500mg	$147
Ciprofloxacin impurity A European Pharmacopoeia (EP) Reference Standard	C2190050	25 mg	$167
Fluoroquinolonic acid United States Pharmacopeia (USP) Reference Standard	1278302	150mg	$1340
7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic Acid >98.0%(HPLC)(T)	C2293	5g	$30
7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic Acid >98.0%(HPLC)(T)	C2293	25g	$78
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7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid Properties

Melting point	242-245 °C(lit.)
Boiling point	467.3±45.0 °C(Predicted)
Density	1.652±0.06 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
solubility	Chloroform (Slightly), Ethyl Acetate (Slightly)
pka	6.36±0.41(Predicted)
form	Solid
color	Off-White to Light Yellow
InChI	InChI=1S/C13H9ClFNO3/c14-9-4-11-7(3-10(9)15)12(17)8(13(18)19)5-16(11)6-1-2-6/h3-6H,1-2H2,(H,18,19)
InChIKey	ISPVACVJFUIDPD-UHFFFAOYSA-N
SMILES	N1(C2CC2)C2=C(C=C(F)C(Cl)=C2)C(=O)C(C(O)=O)=C1
CAS DataBase Reference	86393-33-1(CAS DataBase Reference)
EWG's Food Scores	1
NCI Dictionary of Cancer Terms	fluoroquinolone
FDA UNII	95HKY59ZG6
UNSPSC Code	41116107
NACRES	NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H412
Precautionary statements	P273-P301+P312+P330
Hazard Codes	Xn,Xi
Risk Statements	22-36/37/38-52/53
Safety Statements	26-36-61-22
WGK Germany	2
RTECS	VB1993795
HazardClass	IRRITANT
HS Code	29334900
Storage Class	11 - Combustible Solids
Hazard Classifications	Acute Tox. 4 Oral Aquatic Chronic 3
REACH Registrations	Active

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid price More Price(82)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	PHR1174	Fluoroquinolonic acid Pharmaceutical Secondary Standard; Certified Reference Material	86393-33-1	500mg	$147	2026-04-30	Buy
Sigma-Aldrich	C2190050	Ciprofloxacin impurity A European Pharmacopoeia (EP) Reference Standard	86393-33-1	25 mg	$167	2026-04-30	Buy
Sigma-Aldrich	1278302	Fluoroquinolonic acid United States Pharmacopeia (USP) Reference Standard	86393-33-1	150mg	$1340	2026-04-30	Buy
TCI Chemical	C2293	7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic Acid >98.0%(HPLC)(T)	86393-33-1	5g	$30	2026-04-30	Buy
TCI Chemical	C2293	7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic Acid >98.0%(HPLC)(T)	86393-33-1	25g	$78	2026-04-30	Buy

Product number	Packaging	Price	Buy
PHR1174	500mg	$147	Buy
C2190050	25 mg	$167	Buy
1278302	150mg	$1340	Buy
C2293	5g	$30	Buy
C2293	25g	$78	Buy

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid Chemical Properties,Uses,Production

Chemical Properties

Off-White Crystalline Powder

Uses

An intermediate in the synthesis of Ciprofloxacin, a fluorinated quinolone antibacterial

Uses

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic Acid (Ciprofloxacin EP Impurity A) is a metabolite of Ciprofloxacin, a fluorinated quinolone antibacterial.

General Description

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, also known as fluoroquinolonic acid, can be prepared from ethyl 2,4-dichloro-5-fluorobenzoylacetate. It is formed as an intermediate during the synthesis of ciprofloxacin hydrochloride, a fluorinated quinolone antibacterial drug.

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid synthesis

Synthesis of 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid from 2-Propenoic acid, 2-(dimethylamino)-, ethyl ester and 2,4-Dichloro-5-fluorobenzoyl chloride and Cyclopropylamine

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid Preparation Products And Raw materials

Raw materials

Preparation Products

λ-Cyhalothrin Ciprofloxacin Related CoMpound DESETHYLENE CIPROFLOXACIN, HYDROCHLORIDE 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-4-OXO-1,4-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER Enrofloxacin

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid Suppliers

Global( 392)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20122	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29640	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21587	55
Nanjing ChemLin Chemical Industry Co., Ltd.	025-83697070	product@chemlin.com.cn	CHINA	3009	60
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29815	58
NINGBO INNO PHARMCHEM CO., LTD.	13867897135	sales@nbinno.com	CHINA	923	58
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
Shandong chuangyingchemical Co., Ltd.	18853181302	sale@chuangyingchem.com	CHINA	5906	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58

Supplier	Advantage
Henan Fengda Chemical Co., Ltd	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
Nanjing ChemLin Chemical Industry Co., Ltd.	60
career henan chemical co	58
NINGBO INNO PHARMCHEM CO., LTD.	58
Jinan Carbotang Biotech Co.,Ltd.	58
Shandong chuangyingchemical Co., Ltd.	58
Standardpharm Co. Ltd.	58
Alchem Pharmtech,Inc.	58

View Lastest Price from 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-06-09	7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid 86393-33-1			0.99		RongNa Biotechnology Co.,Ltd
2026-06-09	7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid 86393-33-1		1KG	98.9%min	20 TONS	WUHAN FORTUNA CHEMICAL CO., LTD
2026-05-11	Ciprofloxacin EP IMpurity A 86393-33-1	$29.00		99.92%	10g	TargetMol Chemicals Inc.

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
86393-33-1
0.99
RongNa Biotechnology Co.,Ltd

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
86393-33-1
98.9%min
WUHAN FORTUNA CHEMICAL CO., LTD

Ciprofloxacin EP IMpurity A
86393-33-1
$29.00
99.92%
TargetMol Chemicals Inc.

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid Spectrum

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid(86393-33-1)¹HNMR

86393-33-1(7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid)Related Search:

Chloromethyl isopropyl carbonate Ethyl 2-(Chlorosulfonyl)acetate Clioquinol Ciprofloxacin Allyl chloride

Cyromazine Propiconazole Ciprofloxacin hydrochloride Tetrapropylammonium hydroxide 5,6,7,8-TETRAHYDROISOQUINOLINE

Dihydromyrcenol 3-Chloropropyltrichlorosilane 7-Chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid 3-METHOXYPROPIONIC ACID Stearic acid

Ciprofloxacin lactate Glycine Citric acid

1of4

1-CYCLOPROPYL-7-CHLORO-6-FLUORO-1,4-DIHYDRO-4-OXOQUINOLONE-3-CARBOXYLIC ACID 1-CYCLOPROPYL-6-FLUORO-7-CHLORO-1,4-DIHYDRO-4-OXO-3-QUINOLINIC CARBOXYLIC ACID 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-1,4-DIHYDRO-4-OXO-3-QUINOLINECARBOXYLIC ACID 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-1,4-DIHYDRO-4-OXOQUINOLINE-3-CARBOXYLIC ACID 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-4-OXOHYDROQUINOLINE-3-CARBOXYLIC ACID 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-4-OXOQUINOLINE-3-CARBOXYLIC ACID 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-4-OXYHYDROQUINOLINE-3-CARBOXYLIC ACID 7-CHLORO-6-FLUORO-1-CYCLOPROPYL-1,4-DIHYDRO-4-OXO-3-QUINOLINE CARBOXYLIC ACID 7-CHLORO-6-FLUORO-1-CYCLOPROPYL-1,4-DIHYDRO-4-OXOQUINOLINE-3-CARBOXYLIC ACID AKOS 1131 7-Chloro-1-Cyclopropyl-6-Fluoro-1,4-Dihydro-4-oxoquinoline-3-Carboxylate 1-Ciprofloxacin 7-CHLORO1-CYCLOPROPYL-6-FLUORO-1,4-DIHYD FLUOROQUINOLONE 7-Chloro-1-Cyclopropyl-6-Fluoro-1,4-Dihydro 4-Oxoquinoline Carboxylic Acid Chloro-1-cycloproyl-6-Fluoro-1,4-Dihydro-4-Oxo-3-Quinoline-3-carboxylicAcid FLUOROQUINOLONEACID Fluorchinolonsure 7-Chloro-1-cyclopropyl-1,4-dihydro-6-fluoro-4-oxo-3-quinolinecarboxylic aci 3-QUINOLINECARBOXYLICACID,7-CHLORO-1-CYCLOPROPYL-6-FLUORO-1,4-DIHYDRO-4-OXO 7-CHLORO-6-FLUORO-4-OXO-N-CYCLOPROPYL-1,4-DIHYDROQUINOLINE CARBOXYLIC ACID Ciprofloxacin -1 1,4-dihydro-7-chloro-1-cyclopropyl-6-fluoro-4-oxo-3-quinolinecarboxylicaci 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-3-quinolinecarboxylicacid Ciprofloxacin impurity A (EP) 7-Chloro-1-Cyclopropyl-6-Fluoro-1,4-Dihydro-4-Oxo-3-Quinoline Carboxylic Acid (Q Acid) Ciprofloxacin Impurity 1(Ciprofloxacin EP Impurity A) Enrofloxacin Impurity 1(Enrofloxacin EP Impurity A) 7-chloro-1-cyclopropyl-6-fluoro-4-oxo Ciprofloxacin Hydrochloride Impurity Ⅰ:Ciprofloxacin EP Impurity A Ciprofloxacin ImpuritⅠ:(Ciprofloxacin Impurity A)7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid Q.Acid levo Q-ACID, 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-4-OXO-QUINOLINE-3-CARBOXYLIC ACID Fluoroquinolonic acid, Q-Acid 3-Quinolinecarboxylic acid, 1,4-dihydro-7-chloro-1-cyclopropyl-6-fluoro-4-oxo- 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid,98% 7-Chloro-6-fluoro-1-cyclopropyl-1 7-Chloro-6-fluoro-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinoline carboxylic acid（Q-acid ） 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid,Fluoroquinolonic acid, Q-Acid Fluoroquinolonic Acid (50 mg) Fluoroquinolonic Acid (150 mg) 1-Cyclopropyl-1,4-dihydro-4-oxo-6-fluoro-7-chloro-3-quinolinecarboxylic Acid 7-Chloro-1-cyclopropyl-6-fluoro-3-carboxy-1,4-dihydro-4-oxoquinoline Ciprofloxacin EP IMpurity A Ciprofloxacin impurity A (PhEur) Ciprofloxacin Related Compound A (USP) 3-Carboxy-7-chloro-1-cyclopropyl-1,4-dihydro-6-fluoro-4-oxoquinoline, (3-Carboxy-7-chloro-6-fluoro-4-oxoquinolin-1(4H)-yl)cyclopropane 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-0x0quinoline-3-carboxylic acid 7-Chloro-1-CP-6-fluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic Acid Ciprofloxacin impurity A CRS 7-Chloro-1-cyclopropyl-6-fluoro-4-o 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic Acid > Fluoroquinolonic acid A Ciprofloxacin IMpurity A USP/EP/BP Enrofloxacin impurity A Ciprofloxacin Impurity-A (EP)/ Enrofloxacin Impurity-A (EP) (Fluoroquinolonic Acid) Enrofloxacin Impurity-A (EP)/ Ciprofloxacin Impurity-A (EP) (Fluoroquinolonic Acid) 7-Chloro-6-fluoro-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolin...