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Oxygen-fluorine acid

Oxygen-fluorine acid structure

CAS No.: 82419-35-0

Chemical Name:: Oxygen-fluorine acid

Synonyms: OFLOXACIN Q ACID;Ofloxacin Carboxylic Acid;Ofloxacin-1;AURORA 21894;Olfoxacin Acid;Oxygen-fluorine;AKOS BBS-00001807;OXYGEN-FLUORINE ACID;OTAVA-BB BB0111050010;DIFLUOROCARBOYLIC ACID

CBNumber:: CB9427004

Molecular Formula:: C13H9F2NO4

Molecular Weight:: 281.21

MDL Number:: MFCD00226106

MOL File:: 82419-35-0.mol

MSDS File:: SDS

Last updated:2024-04-16 13:12:53

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Oxygen-fluorine acid Properties

Melting point	320-322 °C (lit.)
Boiling point	459.2±45.0 °C(Predicted)
Density	1.61±0.1 g/cm3(Predicted)
storage temp.	2-8°C
solubility	DMSO (Slightly, Heated)
pka	4.87±0.40(Predicted)
color	Off-White
BRN	4202751
CAS DataBase Reference	82419-35-0(CAS DataBase Reference)
FDA UNII	501W86694Z

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P261-P305+P351+P338
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3
HS Code	29349990

Oxygen-fluorine acid price More Price(16)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	472670	9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid 97%	82419-35-0	5g	$39.36	2024-03-01	Buy
TCI Chemical	O0404	9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid >98.0%(HPLC)	82419-35-0	5g	$83	2024-03-01	Buy
TCI Chemical	O0404	9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid >98.0%(HPLC)	82419-35-0	25g	$290	2024-03-01	Buy
Usbiological	009538	9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid\|	82419-35-0	1g	$425	2021-12-16	Buy
TRC	D445745	9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicAcid(RS-OfloxacinCarboxylicAcid)	82419-35-0	10g	$255	2021-12-16	Buy

Product number	Packaging	Price	Buy
472670	5g	$39.36	Buy
O0404	5g	$83	Buy
O0404	25g	$290	Buy
009538	1g	$425	Buy
D445745	10g	$255	Buy

Oxygen-fluorine acid Chemical Properties,Uses,Production

Chemical Properties

Grey-Yellow Powder

Uses

9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (Ofloxacin EP Impurity A) is an Ofloxacin intermediate.

General Description

(S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid may be used in the preparation of the following:

kynurenine aminotransferase II (KAT II) inhibitor, [(S)-(-)-9-(4-aminopiperazine-1-yl)-8-fluoro-3-methyl-6-oxo-2,3,5,6-tetrahydro-4H-1-oxa-3a-aza-phenalene-5-carboxylic acid]
fused-ring derivatives
N-desmethyllevofloxacin

Oxygen-fluorine acid Preparation Products And Raw materials

Raw materials

Sodium hydride Ethyl 2,3,4,5-tetrafluorobenzoyl acetate Acetic anhydride Potassium hydroxide Triethyl orthoformate

DL-Alaninol Tetrahydrofuran Hydrochloric acid Dimethyl sulfoxide

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Preparation Products

Ofloxacin

Oxygen-fluorine acid Suppliers

Global( 261)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	16805	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21691	55
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418679 +86-18949832763	info@tnjchem.com	China	2989	55
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29914	58
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28180	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14336	58
Chongqing Chemdad Co., Ltd	+86-023-61398051 +8613650506873	sales@chemdad.com	China	39916	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63711	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49390	58
Antai Fine Chemical Technology Co.,Limited	18503026267	info@antaichem.com	CHINA	9641	58

Supplier	Advantage
Henan Fengda Chemical Co., Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
Hefei TNJ Chemical Industry Co.,Ltd.	55
career henan chemical co	58
Hubei Jusheng Technology Co.,Ltd.	58
Standardpharm Co. Ltd.	58
Chongqing Chemdad Co., Ltd	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
Antai Fine Chemical Technology Co.,Limited	58

View Lastest Price from Oxygen-fluorine acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2024-04-16	Oxygen-fluorine acid 82419-35-0	US $36.00-1.20 / kg	1kg	99%	g-kg-tons, free sample is available	Henan Fengda Chemical Co., Ltd
2023-09-14	Oxygen-fluorine acid 82419-35-0	US $0.00 / kg	1kg	98.50%	20tons	Hebei Yanxi Chemical Co., Ltd.
2021-11-04	Oxygen-fluorine acid 82419-35-0	US $0.00 / Kg/Drum	1KG	98%min	1000kg	WUHAN FORTUNA CHEMICAL CO., LTD

Oxygen-fluorine acid
82419-35-0
US $36.00-1.20 / kg
99%
Henan Fengda Chemical Co., Ltd

Oxygen-fluorine acid
82419-35-0
US $0.00 / kg
98.50%
Hebei Yanxi Chemical Co., Ltd.

Oxygen-fluorine acid
82419-35-0
US $0.00 / Kg/Drum
98%min
WUHAN FORTUNA CHEMICAL CO., LTD

Oxygen-fluorine acid Spectrum

Oxygen-fluorine acid(82419-35-0)IR

82419-35-0(Oxygen-fluorine acid)Related Search:

Methyl salicylate Dihydromyrcenol 1-AdaMantanethylaMine Oxygen Ofloxacin

Levofloxacin Tribenuron methyl Basic Violet 1 Methylparaben Methyl acrylate

Kresoxim-methyl Methanol Levofloxacin carboxylic acid Piperazine 1-Piperazinecarbaldehyde

2,3,4,5-Tetrafluorobenzoyl chloride 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 10-amino-9-fluoro-2,3-dihydro-3-methyl-7-oxo-, (S)- (9CI) Methyl

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9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-7H-PYRIDO[1,2,3-DE]-1,4-BENZ-OXAZINE-6-CARBOXYLIC ACID 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7h-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxyllic acid 9,10-DIFLUORO-3-METHYL-7-OXO-2,3-DIHYDRO-7H-[1,4]OXAZINO[2,3,4-IJ]QUINOLINE-6-CARBOXYLIC ACID AURORA 21894 AKOS BBS-00001807 OXYGEN-FLUORINE ACID OTAVA-BB BB0111050010 9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-7h-Pyroido(1,2,3-De)(1,4)Benzoxazine-6-Carboxylic Acid Oxygen fluorine acid(FPA) DIFLUOROCARBOYLIC ACID 9,10-DIFLUORO-2,3-DIHYDRO-3-ME-7-OXO-7H- PYRIDO(1,2,3-DE)1,4-BENZOXAZINE-6-COOH 9,10-Difluoro-3-Methyl-7-Oxo-2,3-Dihydro 7-H-Pyrido-1,2,3-DE]-1,4-Benzoxyazine-6-Carboxylic Acid Oxygen-fluorine 9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylicacid 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3de]-1,4-benzoxazine 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (RS-Ofloxacin Carboxylic Acid) Ofloxacin EP IMpurity A (RS)-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-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-DE]-1,4-benz-oxazine-6-carboxylic acid ,97% 9,10-difluoro-2,3-dihydro-3-me-7-oxo-7h-pyrido-1, Oxygen-fluorine acid ,98% 9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBO 7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLICACID,9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO Olfoxacin Acid (RS)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid (FPA) 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid Ofloxacin Impurity 4(Ofloxacin EP Impurity A) Ofloxacin Impurity A(EP) Ofloxacin-1 Levofloxacin Hydrochloride ImpurityⅡ: Impurity A(9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid(RS-Ofloxacin Carboxylic Acid)) 6,7-Difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.0^{5,13}]trideca-5(13),6,8,11-tetraene-11-carboxylic acid RS-Ofloxacin Carboxylic Acid 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicAcid> Ofloxacin impurity A CRS (RS)-9,10-Difluoro-3-methyl-7-oxo-2 (+/-)9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]lbenzoxazine-6-carboylic acid Ofloxacin EP Impurity A (Ofloxacin Difluoro Carboxylic Acid) Ofloxacin impurity A (O0120010) Levofloxacin Hydrochloride ImpurityⅡ: Impurity A(9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid(RS-Ofloxacin Carboxylic Acid)) OFLOXACIN Q ACID Ofloxacin Carboxylic Acid Levofloxacin Hydrochloride ImpurityⅡ: Impurity A(9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid_x000b_(RS-Ofloxacin Carboxylic Acid)) 82419-35-0 C13H9F2NO4 C13H8F2NO4 Heterocyclic Building Blocks Benzoxazines Building Blocks Various Intermediates Intermediates Intermediates & Fine Chemicals Pharmaceuticals Benzoxazines Building Blocks Heterocyclic Building Blocks OFLOXACIN INTERMIDATE