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Levofloxacin carboxylic acid

Levofloxacin carboxylic acid structure

CAS No.: 100986-89-8

Chemical Name:: Levofloxacin carboxylic acid

Synonyms: Levofloxacin Related CoMpound B;8,9-difluoro-3-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid;S-(-)-9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-7H-PYRIDO-[1,2,3-DE] [1,4]-BENZOXAZINE-6-CARBOXYLIC ACID;(S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid 97%;oxacin Q-Acid;Levofloxacin-8;Levofloxacin USP RC B;LevofloxacinQ-Acid>Levofloxacin Impurity H;Antofloxacin impurity 2

CBNumber:: CB7337190

Molecular Formula:: C13H9F2NO4

Molecular Weight:: 281.21

MDL Number:: MFCD04039905

MOL File:: 100986-89-8.mol

Last updated:2024-03-26 14:13:49

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Levofloxacin carboxylic acid Properties

Melting point	>300 °C (lit.)
Boiling point	459.2±45.0 °C(Predicted)
Density	1.61±0.1 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
solubility	DMSO (Slightly)
pka	4.87±0.40(Predicted)
color	White
optical activity	[α]20/D -64°, c = 1% in DMSO
CAS DataBase Reference	100986-89-8(CAS DataBase Reference)
FDA UNII	08GT8FY84E

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P302+P352-P305+P351+P338

Hazard Codes

Risk Statements

36/37/38-36/37/3

Safety Statements

26-36

WGK Germany

HS Code

29349990

NFPA 704

	0
2		0

Levofloxacin carboxylic acid price More Price(33)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	PHR2229	Levofloxacin Related Compound B Pharmaceutical Secondary Standard; Certified Reference Material	100986-89-8	100mg	$553	2024-03-01	Buy
Sigma-Aldrich	570877	(S)-(?)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid 97%	100986-89-8	5g	$22.88	2024-03-01	Buy
Sigma-Aldrich	1362125	Levofloxacin Related Compound B United States Pharmacopeia (USP) Reference Standard	100986-89-8	35mg	$1380	2024-03-01	Buy
TCI Chemical	L0238	Levofloxacin Q-Acid >98.0%(HPLC)(T)	100986-89-8	1g	$68	2024-03-01	Buy
TCI Chemical	L0238	Levofloxacin Q-Acid >98.0%(HPLC)(T)	100986-89-8	5g	$204	2024-03-01	Buy

Product number	Packaging	Price	Buy
PHR2229	100mg	$553	Buy
570877	5g	$22.88	Buy
1362125	35mg	$1380	Buy
L0238	1g	$68	Buy
L0238	5g	$204	Buy

Levofloxacin carboxylic acid Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

Levofloxacin intermediate.

Definition

ChEBI: Ofloxacin impurity a is a member of quinolines.

Levofloxacin carboxylic acid synthesis

Synthesis of Levofloxacin carboxylic acid from Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate

Levofloxacin carboxylic acid Preparation Products And Raw materials

Raw materials

Levofloxacin Impurity 18 2,3,4,5-Tetrafluorobenzoyl chloride Levofloxacin Tetrafluoro Impurity 1 ethyl (S)-6,7,8-trifluoro-1-(1-hydroxypropan-2-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate Levofloxacin Tetrafluoro Impurity 2

Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate Ethyl 2,3,4,5-tetrafluorobenzoyl acetate

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Preparation Products

Levofloxacin carboxylic acid Suppliers

Global( 367)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Mojin Biotechnology Co., Ltd	+8613288715578	sales@hbmojin.com	China	12456	58
Hebei Yanxi Chemical Co., Ltd.	+8617531190177	peter@yan-xi.com	China	5993	58
Henan Bao Enluo International TradeCo.，LTD	+86-17331933971 +86-17331933971	deasea125996@gmail.com	China	2503	58
Capot Chemical Co.,Ltd.	571-85586718 +8613336195806	sales@capotchem.com	China	29797	60
Beijing Cooperate Pharmaceutical Co.,Ltd	010-60279497	sales01@cooperate-pharm.com	CHINA	1811	55
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21691	55
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29914	58
Zhejiang ZETian Fine Chemicals Co. LTD	18957127338	stella@zetchem.com	China	2141	58
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28180	58
Hebei Guanlang Biotechnology Co., Ltd.	+86-19930503282	alice@crovellbio.com	China	8823	58

Supplier	Advantage
Hebei Mojin Biotechnology Co., Ltd	58
Hebei Yanxi Chemical Co., Ltd.	58
Henan Bao Enluo International TradeCo.，LTD	58
Capot Chemical Co.,Ltd.	60
Beijing Cooperate Pharmaceutical Co.,Ltd	55
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
Zhejiang ZETian Fine Chemicals Co. LTD	58
Hubei Jusheng Technology Co.,Ltd.	58
Hebei Guanlang Biotechnology Co., Ltd.	58

View Lastest Price from Levofloxacin carboxylic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2024-03-26	Levofloxacin carboxylic acid 100986-89-8	US $0.00 / kg	1kg	99.00%	20tons	Hebei Yanxi Chemical Co., Ltd.
2023-07-25	Levofloxacin carboxylic acid 100986-89-8	US $10.00 / kg	1kg	99%	1000tons	Henan Bao Enluo International TradeCo.，LTD
2023-07-01	Levofloxacin carboxylic acid 100986-89-8	US $0.00 / KG	1KG	99%	50000KG/month	Hebei Mojin Biotechnology Co., Ltd

Levofloxacin carboxylic acid
100986-89-8
US $0.00 / kg
99.00%
Hebei Yanxi Chemical Co., Ltd.

Levofloxacin carboxylic acid
100986-89-8
US $10.00 / kg
99%
Henan Bao Enluo International TradeCo.，LTD

Levofloxacin carboxylic acid
100986-89-8
US $0.00 / KG
99%
Hebei Mojin Biotechnology Co., Ltd

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Levefluorocarboxylic Acid Levofloxacin Related Compound B (35 mg) ((S)-9,10,difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid) Levo Q Acid(oxa-2,3 dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicacid,9,10-difluoro-2,3-dihydro-3-Methyl-7-oxo-,(3S)- (S)-(-)-9,10-Difluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 97+% (3S)-9,10-Difluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxadine-6-carboxylic Acid Levofloxacin USP Related CoMpound B (EP IMpC) Levofloxacin Difluoro Carboxylic Acid (S)-9,10-difluoro-3-Methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid (S)-(-)-9,10-Difluoro-3-Methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 97+% Levofloxacin Related Compound B (35 mg) ((S)-9,10,difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid) S-(-)-9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-7H-PYRIDO-[1, Levofloxacin USP RC B (S)-9,10-Difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic a (-)-9,10-DIFLUORO-3(S)-METHYL-7-OXO-2,3-DIHYDRO-7H-PYRIDO (1,2,3-DE)-1,4-BENZOXAZINE-6-CARBOXYLIC ACID LEVOFLUOROCARBOXYLIC ACID S(-)-9,10-DIFL-2,3-DIHYDRO-3-ME-7H-PYRI& (-)-9,10-DIFLUORO-3(S)-METHYL-7-OXO-2,3-DIHYDRO-7H- PYRIDO (1,2,3-DE)-1,4-BENZOXAZINE-6-CARBOXYLIC ACID S-(-)-9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-7H-PYRIDO-[1,2,3-DE][1,4]-BENZOXAZINE-6-CARBOXYLIC ACID 9,10-Difluoro-3(S)-methyl-7-oxo-2,3-dihyd 9,10-DIFLUORO-2,3-DIHYDRO-3-(S)-METHYL-7-OXO-7H-PY 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-(3S)-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid Levofloxacin carboxylic acid (-)-9,10-DIFLUORO-3(S)-METHL-7-OXO-2,3-DIHYDRO-7H-PRYIDO[1,2,3-DE]1,2-BENZOX-AZINE-6-CARBOXYLICACID (S)-9,10,difluro-3-Methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid Levofloxacin Carboxylic Acid (Levofloxacin Difluoro IMpurity) Levofloxacin EP Impurity C 9,10-DIFLUORO-3-(S)-METHYL-7-OXO Levofloxacin Related Compound B(USP) Levofloxacin Impurity H Levofloxacin ImpurityⅡ:LevofloxacinImpurity A{ (3RS)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid} Ofloxacin ImpurityⅠ(Impurity A) Levofloxacin-8 Levofloxacin?EP Impurity F LevofloxacinQ-Acid> oxacin Q-Acid Levofloxacin EP Impurity F (Levofloxacin Related Compound B) Levofloxacin carboxylic acid USP/EP/BP LEVOFLOXACIN ACID USP/EP/BP Levofloxacin carboxylic acidr USP Levofloxacin Related Compound B Levofloxacin Q-acid (Levofloxacin Impurity) Levofloxacin USP RC B/ Q Acid Levofloxacin EP Impurity F/ Levofloxacin Related Compound B (Levofloxacin Difluoro Carboxylic Acid) Levofloxacin Carboxylic Acid833 (S)-(?)-9,1-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid Levofloxacin Related Compound B (G0M041) Levofloxacin ImpurityⅡ:LevofloxacinImpurity A{ (3RS)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid} Ofloxacin ImpurityⅠ(Impurity A) (3S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Levofloxacin Related Compound B ((S)-9,10,difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1 (1362125) (S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid 97% 8,9-difluoro-3-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid S-(-)-9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-7H-PYRIDO-[1,2,3-DE] [1,4]-BENZOXAZINE-6-CARBOXYLIC ACID Levofloxacin Related CoMpound B Levoxyfluorocarboxylic acid (S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid [Levofloxacin Q-Acid