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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 2,3-Dihydro-1,4-Benzodoxine-5-Carboxylic Acid

Cas:4442-53-9

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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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

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid Manufacturer/High quality/Best price/In stock

Cas:4442-53-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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

1,4-Benzodioxan-5-carboxylic acid

Cas:4442-53-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Factory direct supply CAS 4442-53-9 with best quality

Cas:4442-53-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

1,4-Benzodioxin-5-carboxylicacid, 2,3-dihydro-

Cas:4442-53-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid CAS:4442-53-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid CAS:4442-53-9

Cas:4442-53-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

1,4-Benzodioxin-5-carboxylicacid, 2,3-dihydro-

Cas:4442-53-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

CAS NO.:4442-53-9

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid

Cas:4442-53-9

Min.Order:1 Kilogram

FOB Price: $40.0 / 80.0

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

2,3-Dihydro-1,4-Benzodioxine-5-Carboxylic Acid

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Manufacturers

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

2,3-Dihydrobenzo[b][1,4]dioxine-5-carboxylic acid

Cas:4442-53-9

Min.Order:1 Gram

FOB Price: $37.0

Type:Trading Company

inquiry

Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:As customer request Port:Qingda

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid 4442-53-9

Cas:4442-53-9

Min.Order:1 Kilogram

FOB Price: $10.0

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

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality 2,3-Dihydro-1,4-Benzodioxine-5-Carboxylic Acid

Cas:4442-53-9

Min.Order:10 Gram

FOB Price: $100.0

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

4442-53-9 2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid

Cas:4442-53-9

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 2,3-Dihydro-1,4-Benzodioxine-5-Carboxylic Acid CAS No.: 4442-53-9 Molecule Formula:C9H8O4 Molecule Weight:180.16 Purity: 99.0% Package: 25kg/drum Description:Light yellow crystalline powder Manufacture Standards:Enterpri

High Quality 2,3-Dihydro-1,4-Benzodioxine-5-Carboxylic Acid

Cas:4442-53-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid/ factory/best price/high quality

Cas:4442-53-9

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid/ factory/best price/high quality

Cas:4442-53-9

Min.Order:1 Gram

Negotiable

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

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid/ factory/best price/high quality

Cas:4442-53-9

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

1,4-Benzodioxan-5-carboxylic acid

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid/ factory/best price/high quality

Cas:4442-53-9

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp

1,4-Benzodioxin-5-carboxylicacid, 2,3-dihydro-

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratoryAppearance:White to light yellow powder Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

2,3-Dihydro-1,4-Benzodioxine-5-Carboxylic Acid cas no. 4442-53-9 98%

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

1,4-Benzodioxan-5-carboxylic acid

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid

Cas:4442-53-9

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

2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

2,3-Dihydro-1,4-Benzodioxine-5-Carboxylic Acid

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Manufacturers

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

1,4-Benzodioxane-5-carboxylic Acid

Cas:4442-53-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2,3-dihydro-benzo[1,4]dioxine-5-carboxylic acid methyl ester

2,3-dihydro-benzo[1,4]dioxine-5-carboxylic acid methyl ester

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid
4442-53-9

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid

Conditions
ConditionsYield
Stage #1: 2,3-dihydro-benzo[1,4]dioxine-5-carboxylic acid methyl ester With sodium hydroxide In water for 3h; Reflux;
Stage #2: With hydrogenchloride In water
97%
With sodium hydroxide for 2h; Reflux;95%
With methanol; sodium hydroxide In tetrahydrofuran; water at 75℃; for 2h;
With lithium hydroxide In water at 20℃;
2,3-dihydro-benzo[1,4]dioxine-5-carboxylic acid methyl ester

2,3-dihydro-benzo[1,4]dioxine-5-carboxylic acid methyl ester

A

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid
4442-53-9

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid

B

methyl 6,7-dibromo-2,3-dihydrobenzo[b][1,4]dioxine-5-carboxylate

methyl 6,7-dibromo-2,3-dihydrobenzo[b][1,4]dioxine-5-carboxylate

Conditions
ConditionsYield
With bromine; acetic acid at 60 - 70℃; for 18h;A 30%
B 32.6%
2,3-Dihydroxybenzoic acid
303-38-8

2,3-Dihydroxybenzoic acid

ethylene dibromide
106-93-4

ethylene dibromide

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid
4442-53-9

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid

Conditions
ConditionsYield
With potassium hydroxide unter Ausschluss von Sauerstoff;
With potassium carbonate In N,N-dimethyl-formamide
methyl-2,3-dihydroxybenzoate
2411-83-8

methyl-2,3-dihydroxybenzoate

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid
4442-53-9

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: potassium carbonate / N,N-dimethyl-formamide / 5 h / Reflux
2: sodium hydroxide / water / 3 h / Reflux
View Scheme
Multi-step reaction with 2 steps
1: potassium carbonate / acetone / 70 °C / Inert atmosphere
2: methanol; sodium hydroxide / water; tetrahydrofuran / 2 h / 75 °C
View Scheme
Multi-step reaction with 2 steps
1.1: caesium carbonate / N,N-dimethyl-formamide / 0.5 h / 20 °C
1.2: 4 h / 80 °C
2.1: sodium hydroxide / 2 h / Reflux
View Scheme
Multi-step reaction with 2 steps
1: potassium carbonate / N,N-dimethyl-formamide / 12 h / Reflux
2: lithium hydroxide / water / 20 °C
View Scheme
2,3-Dihydroxybenzoic acid
303-38-8

2,3-Dihydroxybenzoic acid

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid
4442-53-9

2,3-dihydro-1,4-benzodioxine-5-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sulfuric acid / 10 h / Reflux
2: potassium carbonate / N,N-dimethyl-formamide / 5 h / Reflux
3: sodium hydroxide / water / 3 h / Reflux
View Scheme
Multi-step reaction with 3 steps
1: sulfuric acid / 8 h / 90 °C
2: potassium carbonate / acetone / 70 °C / Inert atmosphere
3: methanol; sodium hydroxide / water; tetrahydrofuran / 2 h / 75 °C
View Scheme
Multi-step reaction with 3 steps
1.1: sulfuric acid / 8 h / Reflux
2.1: caesium carbonate / N,N-dimethyl-formamide / 0.5 h / 20 °C
2.2: 4 h / 80 °C
3.1: sodium hydroxide / 2 h / Reflux
View Scheme
Multi-step reaction with 3 steps
1: sulfuric acid / 12 h / 5 °C / Reflux
2: potassium carbonate / N,N-dimethyl-formamide / 12 h / Reflux
3: lithium hydroxide / water / 20 °C
View Scheme

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