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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

chengdu and import and export trade 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 res

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:1000 Gram

FOB Price: $500.0

Type:Trading Company

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Ethanone,1-(2-chloro-4,5-difluorophenyl)-

Cas:121872-94-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Ethanone,1-(2-chloro-4,5-difluorophenyl)-

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS121872-94-4 2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:1 Kilogram

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

2'-CHLORO-4',5'-DIFLUOROACETOPHENONE

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 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 on.O

121872-94-4 2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

121872-94-4 CAS NO.121872-94-4

Cas:121872-94-4

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

2''-Chloro-4'',5''-difluoroacetophenone

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

2-Chloro-4,5-difluroacetophenone

Cas:121872-94-4

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Other

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

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city?in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api,?intermediat

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Ethanone,1-(2-chloro-4,5-difluorophenyl)-

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

121872-94-4

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

2'-CHLORO-4',5'-DIFLUOROACETOPHENONEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2'-CHLORO-4',5'-DIFLUOROACETOPHENONE

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

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

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

121872-94-4 Application:intermediate

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Other

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

121872-94-4

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

2''-Chloro-4'',5''-difluoroacetophenone 121872-94-4

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica

2'-Chloro-4',5'-difluoroacetophenone manufacturer

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shenzhen Foris Technology Co. LTD

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

2''-Chloro-4'',5''-difluoroacetophenone 121872-94-4

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

2'-Chloro-4',5'-difluoroacetophenone

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

2&#39-Chloro-4&#39,5&#39-difluoroacetophenone

Cas:121872-94-4

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai AngewChem Co., Ltd.

Shanghai AngewChemCo., Ltd. is an innovative enterprise on fine chemicals and pharmaceuticals. Based on Shanghai R&D center and Hunan chemical manufacturing plant, we offer chemical research, process development, and large-scale production. Com

2-Chloro-4,5-Difluoro Acetophenone

Cas:121872-94-4

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

Best price/ 2'-Chloro-4',5'-difluoroacetophenone CAS NO.121872-94-4

Cas:121872-94-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

4-chloro-1,2-difluorobenzene
696-02-6

4-chloro-1,2-difluorobenzene

acetyl chloride
75-36-5

acetyl chloride

2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

Conditions
ConditionsYield
aluminium trichloride82%
With aluminium trichloride Acylation;80%
With aluminium trichloride at 60℃; for 9h;75%
2-fluoro-5-chloronitrobenzene
345-18-6

2-fluoro-5-chloronitrobenzene

2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: H2 / 5 percent Pt/C / 1,2-dimethoxy-ethane / 24 h / 2585.74 Torr
2: BF3*Et2O; t-BuONO / 1,2-dimethoxy-ethane / 1 h / -5 °C
3: 49 percent / 0.5 h / 170 °C
4: 80 percent / AlCl3
View Scheme
5-chloro-2-fluoroaniline
2106-05-0

5-chloro-2-fluoroaniline

2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: BF3*Et2O; t-BuONO / 1,2-dimethoxy-ethane / 1 h / -5 °C
2: 49 percent / 0.5 h / 170 °C
3: 80 percent / AlCl3
View Scheme
2,5-dichloronitrobenzene
89-61-2

2,5-dichloronitrobenzene

potassium-compound of 1-<4-hydroxy-phenyl>-ethanone

potassium-compound of 1-<4-hydroxy-phenyl>-ethanone

2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 52 percent / KF; 18-crown-6 / tetrahydrothiophene 1,1-dioxide / 32 h / 180 °C
2: H2 / 5 percent Pt/C / 1,2-dimethoxy-ethane / 24 h / 2585.74 Torr
3: BF3*Et2O; t-BuONO / 1,2-dimethoxy-ethane / 1 h / -5 °C
4: 49 percent / 0.5 h / 170 °C
5: 80 percent / AlCl3
View Scheme
2-Fluoro-5-chlorophenyldiazonium tetrafluoroborate

2-Fluoro-5-chlorophenyldiazonium tetrafluoroborate

2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 49 percent / 0.5 h / 170 °C
2: 80 percent / AlCl3
View Scheme
ortho-difluorobenzene
367-11-3

ortho-difluorobenzene

2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 90 percent / FeCl3, Cl2 / 3 h / 50 °C
2: 75 percent / AlCl3 / 9 h / 60 °C
View Scheme
carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

methyl 3-(2-chloro-5-fluoro-4-methoxyphenyl)-3-oxopropanoate

methyl 3-(2-chloro-5-fluoro-4-methoxyphenyl)-3-oxopropanoate

Conditions
ConditionsYield
Stage #1: carbonic acid dimethyl ester With sodium hydride In tetrahydrofuran for 0.0833333h; Reflux;
Stage #2: 2'-chloro-4',5'-difluoroacetophenone In tetrahydrofuran for 10h; Claisen Condensation; Reflux;
96%
2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

2-chloro-4,5-difluorobenzoic acid
110877-64-0

2-chloro-4,5-difluorobenzoic acid

Conditions
ConditionsYield
With sodium hypochlorite Oxidation;90%
With hydrogenchloride; sodium hypochlorite In dichloromethane85.1%
With hydrogenchloride; sodium hypochlorite In dichloromethane85.1%
With sodium hypochlorite for 6h; Heating;80%
With hydrogenchloride; sodium hydroxide; sodium hypobromide; bromine; sodium hydrogensulfite In 1,4-dioxane; dichloromethane; water
ethyl cyanoformate
623-49-4

ethyl cyanoformate

2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

2-chloro-4,5-difluoro-β-oxobenzenepropanoic acid ethyl ester
121872-97-7

2-chloro-4,5-difluoro-β-oxobenzenepropanoic acid ethyl ester

Conditions
ConditionsYield
With hydrogenchloride; n-butyllithium; diisopropylamine In tetrahydrofuran; hexane658 mg (61%)
2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

4-(2-chloro-5-fluoro-4-methoxyphenyl)-7-(diethylamino)-2H-chromen-2-one

4-(2-chloro-5-fluoro-4-methoxyphenyl)-7-(diethylamino)-2H-chromen-2-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium hydride / tetrahydrofuran / 0.08 h / Reflux
1.2: 10 h / Reflux
2.1: CoCl2(pyridine)2 / neat (no solvent) / 24 h / 110 °C / Inert atmosphere
View Scheme
2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

7-(diethylamino)-4-(5-fluoro-4-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-2H-chromen-2-one

7-(diethylamino)-4-(5-fluoro-4-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-2H-chromen-2-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sodium hydride / tetrahydrofuran / 0.08 h / Reflux
1.2: 10 h / Reflux
2.1: CoCl2(pyridine)2 / neat (no solvent) / 24 h / 110 °C / Inert atmosphere
3.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; 1,1'-bis-(diphenylphosphino)ferrocene; potassium acetate / dichloromethane; tetrahydrofuran / 48 h / 105 °C / Sealed tube; Inert atmosphere
View Scheme
2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

7-(diethylamino)-4-(5-fluoro-4-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-2-oxo-2H-chromene-3-carbaldehyde

7-(diethylamino)-4-(5-fluoro-4-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-2-oxo-2H-chromene-3-carbaldehyde

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: sodium hydride / tetrahydrofuran / 0.08 h / Reflux
1.2: 10 h / Reflux
2.1: CoCl2(pyridine)2 / neat (no solvent) / 24 h / 110 °C / Inert atmosphere
3.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; 1,1'-bis-(diphenylphosphino)ferrocene; potassium acetate / dichloromethane; tetrahydrofuran / 48 h / 105 °C / Sealed tube; Inert atmosphere
4.1: trichlorophosphate / 0.75 h / 0 °C / Inert atmosphere
4.2: 20.5 h / 0 - 20 °C / Inert atmosphere
View Scheme
2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

C8H3ClF2O2

C8H3ClF2O2

Conditions
ConditionsYield
With selenium(IV) oxide In 1,4-dioxane; water for 4h; Reflux;
2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

(2-chloro-4,5-difluorophenyl)(9H-pyrido[3,4-b]indol-1 yl)methanone

(2-chloro-4,5-difluorophenyl)(9H-pyrido[3,4-b]indol-1 yl)methanone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: selenium(IV) oxide / 1,4-dioxane; water / 4 h / Reflux
2: palladium 10% on activated carbon / acetic acid / 3 h / Reflux
View Scheme
2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

4,5-difluoro fascaplysin

4,5-difluoro fascaplysin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: selenium(IV) oxide / 1,4-dioxane; water / 4 h / Reflux
2: palladium 10% on activated carbon / acetic acid / 3 h / Reflux
3: 220 °C
View Scheme
methylhydrazine
60-34-4

methylhydrazine

2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

C9H9ClF2N2

C9H9ClF2N2

Conditions
ConditionsYield
With magnesium sulfate In dichloromethane at 20℃;
2'-chloro-4',5'-difluoroacetophenone
121872-94-4

2'-chloro-4',5'-difluoroacetophenone

(E)-3-((2-(1-(2-chloro-4,5-difluorophenyl)ethylidene)-1-methylhydrazineyl)sulfonyl)-N,N-dimethyl-1H-1,2,4-triazole-1-sulfonamide

(E)-3-((2-(1-(2-chloro-4,5-difluorophenyl)ethylidene)-1-methylhydrazineyl)sulfonyl)-N,N-dimethyl-1H-1,2,4-triazole-1-sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: magnesium sulfate / dichloromethane / 20 °C
2: pyridine / tetrahydrofuran / 0 - 20 °C
View Scheme

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