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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

Difloxacin

Cas:98106-17-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

6-fluoro-1-(4-fluorophenyl)-7-(4-methylpiperazin-1-yl)-4-oxoquinoline-3-carboxylic Acid CAS NO.98106-17-3

Cas:98106-17-3

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory Price API 99% Difloxacin 98106-17-3 GMP Manufacturer

Cas:98106-17-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Difloxacin

Cas:98106-17-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Difloxacin

Cas:98106-17-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

Difloxacin

Cas:98106-17-3

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Difloxacin

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

DIFLOXACIN

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

TaiChem Taizhou Limited

Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site

Difloxacin

Cas:98106-17-3

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung, LG, Merck, Thermo Fisher Scientific and so o

98106-17-3

Cas:98106-17-3

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

Difloxacin

Cas:98106-17-3

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

Difloxacin

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:API

99% up by HPLC Difloxacin mesylate 98106-17-3

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

Difloxacin

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

CHANGZHOU HANGYU PHARMACEUTICAL TECHNOLOGY CO., LTD

API

Difloxacin

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Difloxacin CAS No.98106-17-3

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Wuhan Circle Star Chem-medical Technology co.,Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran

Difloxacin

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

Difloxacin cas 98106-17-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Difloxacin cas 98106-17-3

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Other

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Difloxacin

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HWRK Chem

in store Package:0.1g Application:Organic Chemicals

Difloxacin

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Bide Pharmatech Ltd

Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

6-Fluoro-1-(4-fluorophenyl)-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

Cas:98106-17-3

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

Difloxacin Basic information Product Name: Difloxacin Synonyms: -1-piperazinyl)-4-oxo-;3-quinolinecarboxylicacid,1,4-dihydro-6-fluoro-1-(4-fluorophenyl)-7-(4-me

98106-17-3 C21H19F2N3O3 Difloxacin

Cas:98106-17-3

Min.Order:15 Gram

Negotiable

Type:Trading Company

inquiry

Shaanxi Mingqi Chemical Co., Ltd

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery

Difloxacin Powder CAS 98106-17-3

Cas:98106-17-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

ENAO Chemical Co, Limited

For quick quotation, please send us the inquiry include CAS#, Structure, Chemical Name, quantity, purity, as well as any additional specifications you require, we will try to get back to you within 24 hours. Our Services Besides manufacturing,

Difloxacin

Cas:98106-17-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changsha Easchem Co.,Limited

Changsha EASCHEM is a leading company in marketing ang distributing chemicals and new materials with establishment in 2013 by reregistering from Easchem International from China. We, EASCHEM, are the brand with the aim for erecting up Big Chemica

High Purity Difloxacin supplier in China

Cas:98106-17-3

Min.Order:0 Gram

FOB Price: $12.0 / 50.0

Type:Lab/Research institutions

inquiry

Hangzhou KieRay Chem Co.,Ltd.

Hangzhou KieRaychem Co.,Ltd.is located in Yuhang District of Hangzhou City and specialized in the chemical product customization, development, sales, import and export. Current business is focused on fine chemicals, pharmaceutical materials and int

Difloxacin

Cas:98106-17-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

AOPHARM

Aopharm is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in modes of

6-Fluoro-1-(4-fluorophenyl)-7-(4-methylpiperazin-1-yl)-4-oxoquinoline-3-carboxylic acid

Cas:98106-17-3

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Synthetic route

1-methyl-piperazine
109-01-3

1-methyl-piperazine

7-Chloro-6-fluoro-1-(4-fluorophenyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid
98105-79-4

7-Chloro-6-fluoro-1-(4-fluorophenyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
In various solvent(s) at 110℃; for 24h;21.3 g
1-methyl-piperazine
109-01-3

1-methyl-piperazine

ethyl 2,4,5-trifluorobenzoylacetate
98349-24-7

ethyl 2,4,5-trifluorobenzoylacetate

N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

4-fluoroaniline
371-40-4

4-fluoroaniline

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
Yield given. Multistep reaction;
1-methyl-piperazine
109-01-3

1-methyl-piperazine

7-Chloro-6-fluoro-1-(4-fluorophenyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid
98105-79-4

7-Chloro-6-fluoro-1-(4-fluorophenyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid

A

difloxacin
98106-17-3

difloxacin

B

7-Chloro-1-(4-fluoro-phenyl)-6-(4-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

7-Chloro-1-(4-fluoro-phenyl)-6-(4-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

Conditions
ConditionsYield
In dimethylsulfoxide-d6 at 120 - 130℃;A 84 % Spectr.
B 16 % Spectr.
1-methyl-piperazine
109-01-3

1-methyl-piperazine

C20H13BClF2NO7

C20H13BClF2NO7

A

difloxacin
98106-17-3

difloxacin

B

7-Chloro-1-(4-fluoro-phenyl)-6-(4-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

7-Chloro-1-(4-fluoro-phenyl)-6-(4-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

Conditions
ConditionsYield
With sodium hydroxide 1.) DMSO, 110 deg C, 2 h; 2.) reflux, 1 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
2,4-dichloro-5-fluoroacetophenone
704-10-9

2,4-dichloro-5-fluoroacetophenone

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 80 percent / NaH / 1.5 h / 80 °C
2: Ac2O / 2 h / 130 °C
3: CH2Cl2 / 0.5 h / Ambient temperature
4: NaH / 1,2-dimethoxy-ethane / 3 h / 80 °C
5: aq. NaOH / tetrahydrofuran / 1.5 h / 80 °C
6: 21.3 g / various solvent(s) / 24 h / 110 °C
View Scheme
ethyl 2,4-dichloro-5-fluoro-benzoyl-acetate
86483-51-4

ethyl 2,4-dichloro-5-fluoro-benzoyl-acetate

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: Ac2O / 2 h / 130 °C
2: CH2Cl2 / 0.5 h / Ambient temperature
3: NaH / 1,2-dimethoxy-ethane / 3 h / 80 °C
4: aq. NaOH / tetrahydrofuran / 1.5 h / 80 °C
5: 21.3 g / various solvent(s) / 24 h / 110 °C
View Scheme
1-(4'-fluoro-phenyl)-6-fluoro-7-chloro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid ethyl ester
98105-80-7

1-(4'-fluoro-phenyl)-6-fluoro-7-chloro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid ethyl ester

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aq. NaOH / tetrahydrofuran / 1.5 h / 80 °C
2: 21.3 g / various solvent(s) / 24 h / 110 °C
View Scheme
ethyl 2,4-dichloro-5-fluoro-α-[[(4-fluorophenyl)amino]methylene]-β-oxobenzenepropanoate
98105-65-8

ethyl 2,4-dichloro-5-fluoro-α-[[(4-fluorophenyl)amino]methylene]-β-oxobenzenepropanoate

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: NaH / 1,2-dimethoxy-ethane / 3 h / 80 °C
2: aq. NaOH / tetrahydrofuran / 1.5 h / 80 °C
3: 21.3 g / various solvent(s) / 24 h / 110 °C
View Scheme
2,4-dichloro-alpha(elhoxymethlene)-5-fluoro-beta-oxo-benzene propanoic acid ethyl ester
86483-52-5

2,4-dichloro-alpha(elhoxymethlene)-5-fluoro-beta-oxo-benzene propanoic acid ethyl ester

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: CH2Cl2 / 0.5 h / Ambient temperature
2: NaH / 1,2-dimethoxy-ethane / 3 h / 80 °C
3: aq. NaOH / tetrahydrofuran / 1.5 h / 80 °C
4: 21.3 g / various solvent(s) / 24 h / 110 °C
View Scheme
1-methyl-piperazine
109-01-3

1-methyl-piperazine

6,7-difluoro-1-(4-fluorophenyl)-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid
103994-99-6

6,7-difluoro-1-(4-fluorophenyl)-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
With triethylamine In acetonitrile Inert atmosphere; Reflux;
ethyl 2,4,5-trifluorobenzoylacetate
98349-24-7

ethyl 2,4,5-trifluorobenzoylacetate

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: acetic anhydride / Heating
2: dichloromethane / Inert atmosphere
3: sodium hydride / tetrahydrofuran; mineral oil / Inert atmosphere; Heating
4: hydrogenchloride; water; acetic acid / Reflux
5: triethylamine / acetonitrile / Inert atmosphere; Reflux
View Scheme
α-(ethoxymethylene)-2,4,5-trifluoro-β-oxobenzenepropanoic acid, ethyl ester
101799-75-1

α-(ethoxymethylene)-2,4,5-trifluoro-β-oxobenzenepropanoic acid, ethyl ester

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: dichloromethane / Inert atmosphere
2: sodium hydride / tetrahydrofuran; mineral oil / Inert atmosphere; Heating
3: hydrogenchloride; water; acetic acid / Reflux
4: triethylamine / acetonitrile / Inert atmosphere; Reflux
View Scheme
1-(p-fluorophenyl)-6,7-difluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid ethyl ester
108138-16-5

1-(p-fluorophenyl)-6,7-difluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid ethyl ester

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: hydrogenchloride; water; acetic acid / Reflux
2: triethylamine / acetonitrile / Inert atmosphere; Reflux
View Scheme
ethyl 3-(4-fuoroanilino)-2-(2,4,5-trifuorobenzoyl)acrylate
108115-66-8

ethyl 3-(4-fuoroanilino)-2-(2,4,5-trifuorobenzoyl)acrylate

difloxacin
98106-17-3

difloxacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium hydride / tetrahydrofuran; mineral oil / Inert atmosphere; Heating
2: hydrogenchloride; water; acetic acid / Reflux
3: triethylamine / acetonitrile / Inert atmosphere; Reflux
View Scheme

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