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Ality Chemical Corporation

ELEUTHEROSIDE E1 Basic information Product Name: ELEUTHEROSIDE E1 Synonyms: ELEUTHEROSIDE B+E;ELEUTHEROSIDE E1;ELEUTHEROSIDES, SIBERIAN GINSENG PLANT EXTRACT B+E >0.8%;ELEUTHEROSIDES, SIBERIAN GIN

Factory Supply 2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Jinan Finer Chemical Co., Ltd

Product description: Product name 2,3-Dibromo-2-butene-1,4-diol CAS number 3234-02-4 Assay ≥99% Appearance White crystalline powder Capacity 200mt/year Application Organic sy

2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

trans-2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for the fine c

2,3-Dibromobut-2-ene-1,4-diol 3234-02-4 /manufacturer/low price/high quality/in stock

Cas:3234-02-4

Min.Order:1 Kilogram

Negotiable

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

2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

trans-2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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

Wholesale price CAS 3234-02-4 with best price

Cas:3234-02-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

2,3-Dibromobut-2-ene-1,4-diol

Cas:3234-02-4

Min.Order:10 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name trans-2,3-Dibromo-2-butene-1,4-diol Appearance white crystalline powder Synonyms 2,3-dibromo-2-butene-4-diol;4-diol

Trans-2,3-Dibromo-2-butene-1,4-diol,CAS:3234-02-4

Cas:3234-02-4

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White crystalline powder Storage:ln stock Package:25kg/Barrel Application:High temperature initiating high-efficiency peptizer Transportation:Express/Sea/Air Port:Shanghai

High quality 99% trans-2,3-Dibromo-2-butene-1,4-diol in stock

Cas:3234-02-4

Min.Order:100 Kilogram

FOB Price: $14.9 / 20.0

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients 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 Specialized

2,3-Dibromobut-2-ene-1,4-diol 3234-02-4

Cas:3234-02-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

trans-2,3-Dibromo-2-butene-1,4-diol CAS:3234-02-4 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 high qualit

trans-2,3-Dibromo-2-butene-1,4-diol CAS:3234-02-4

Cas:3234-02-4

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

2,3-Dibromobut-2-ene-1,4-diol

Cas:3234-02-4

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

2,3-Dibromobut-2-ene-1,4-diol

Cas:3234-02-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting 2,3-Dibromo-2-butene-1,4-diol CAS:3234-02-4 , Please contact us by email freely. We are leading exporter in China. If you really nee

2,3-Dibromo-2-butene-1,4-diol CAS:3234-02-4 from fandachem

Cas:3234-02-4

Min.Order:0 Metric Ton

Negotiable

Type:Other

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Trans-2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:0 Metric Ton

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

2,3-Dibromobut-2-ene-1,4-diol

Cas:3234-02-4

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 Trans-2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

2,3-Dibromobut-2-ene-1,4-diol

Cas:3234-02-4

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

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

trans-2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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-Dibromobut-2-ene-1,4-diol

Cas:3234-02-4

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: Trans-2,3-Dibromo-2-Butane-1,4-diol CAS No.:3234-02-4 Molecule Formula:C4H6Br2O2 Molecule Weight:245.90 Purity: 99.0% Package: 25kg/drum Description:White crystals or white powder Manufacture Standards:Enterprise Standar

Best Quality Trans-2,3-Dibromo-2-Butane-1,4-diol

Cas:3234-02-4

Min.Order:1 Kilogram

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-Dibromobut-2-ene-1,4-diol

Cas:3234-02-4

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-Dibromobut-2-ene-1,4-diol

Cas:3234-02-4

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

trans-2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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-Dibromobut-2-ene-1,4-diol

Cas:3234-02-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

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

trans-2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

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

trans-2,3-Dibromo-2-butene-1,4-diol

Cas:3234-02-4

Min.Order:0

Negotiable

Type:Other

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 trans-2,3-Dibromo-2-butene-1,4-diol 487270

Cas:3234-02-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

1,4-dihydroxybut-2-yne
110-65-6

1,4-dihydroxybut-2-yne

2,3-dibromo-but-2-ene-1,4-diol
3234-02-4

2,3-dibromo-but-2-ene-1,4-diol

Conditions
ConditionsYield
With tetraethylammonium bromide; bromine In dichloromethane at 20 - 30℃; for 8h; Green chemistry;95%
With hexamethonium bis(tribromide) In neat (no solvent) for 0.333333h; Green chemistry; regioselective reaction;88%
With tetrabutylammomium bromide; dihydrogen peroxide; vanadia In water; acetonitrile at 5℃; for 1.5h; Bromination;46%
diacetyl compound of 2.3-dibromo-butene-(2)-diol-(1.4)

diacetyl compound of 2.3-dibromo-butene-(2)-diol-(1.4)

2,3-dibromo-but-2-ene-1,4-diol
3234-02-4

2,3-dibromo-but-2-ene-1,4-diol

Conditions
ConditionsYield
With sodium ethanolate
2,3-dibromo-but-2-ene-1,4-diol
3234-02-4

2,3-dibromo-but-2-ene-1,4-diol

3,4-dibromofuran
32460-02-9

3,4-dibromofuran

Conditions
ConditionsYield
With potassium dichromate; sulfuric acid In hexane; water at 85℃; for 6h; Heating;83%
With potassium dichromate; sulfuric acid In water at 140℃; for 4h;56%
2,3-dibromo-but-2-ene-1,4-diol
3234-02-4

2,3-dibromo-but-2-ene-1,4-diol

1,4-dihydroxybut-2-yne
110-65-6

1,4-dihydroxybut-2-yne

Conditions
ConditionsYield
With ethanol; zinc
2,3-dibromo-but-2-ene-1,4-diol
3234-02-4

2,3-dibromo-but-2-ene-1,4-diol

acetyl chloride
75-36-5

acetyl chloride

1,4-diacetoxy-2,3-dibromo-but-2-ene
63766-44-9

1,4-diacetoxy-2,3-dibromo-but-2-ene

ethanol
64-17-5

ethanol

2,3-dibromo-but-2-ene-1,4-diol
3234-02-4

2,3-dibromo-but-2-ene-1,4-diol

zinc

zinc

1,4-dihydroxybut-2-yne
110-65-6

1,4-dihydroxybut-2-yne

2,3-dibromo-but-2-ene-1,4-diol
3234-02-4

2,3-dibromo-but-2-ene-1,4-diol

propyl bromide
106-94-5

propyl bromide

2,3-dibromo-4-propoxybut-2-en-1-ol

2,3-dibromo-4-propoxybut-2-en-1-ol

Conditions
ConditionsYield
With sodium hydroxide In water; toluene at 70 - 72℃; for 4h;42.5 g

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