4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid

Product Name: 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
CAS No.: 7712-05-2
Chemical Name: 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
Synonyms: 4H,6H-thieno[2,3-c]thiophene-2-carboxylic acid;4,6-Dihydro-thieno<3,4-b>thiophen-2-carbonsaeure;4,6-dihydrothieno[2,3-c]thiophene-2-carboxylic acid;4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid;4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylicAcid>Thieno[3,4-b]thiophene-2-carboxylic acid, 4,6-dihydro-;4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid 96%;4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid
CBNumber: CB42546496
Molecular Formula: C7H6O2S2
Formula Weight: 186.25
MOL File: 7712-05-2.mol

More

Less

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Property

Melting point:: 240°C(lit.)
Boiling point:: 419.0±45.0 °C(Predicted)
Density: 1.551
storage temp.: 2-8°C(protect from light)
form: powder to crystal
pka: 3.56±0.20(Predicted)
color: Light orange to Yellow to Green
InChI: InChI=1S/C7H6O2S2/c8-7(9)5-1-4-2-10-3-6(4)11-5/h1H,2-3H2,(H,8,9)
InChIKey: RBINIIIGSUWMLQ-UHFFFAOYSA-N
SMILES: C12CSCC=1C=C(C(O)=O)S2

More

Less

Safety

HS Code: 2934999090

More

Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

More

Less

N-Bromosuccinimide Price

TCI Chemical

Product number: D4071
Product name: 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid
Purity: >98.0%(GC)(T)
Packaging: 1g
Price: $732
Updated: 2024/03/01

TRC

Product number: D454783
Product name: 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid
Packaging: 100mg
Price: $60
Updated: 2021/12/16

SynQuest Laboratories

Product number: 6H66-1-0V
Product name: 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
Purity: 96%
Packaging: 250mg
Price: $64
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD61237
Product name: 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid
Packaging: 100mg
Price: $75
Updated: 2021/12/16

Apolloscientific

Product number: OR54533
Product name: 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid
Purity: 96%
Packaging: 250mg
Price: $41
Updated: 2021/12/16

More

Less

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Chemical Properties,Usage,Production

Uses

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid can be used as organic synthesis intermediates and pharmaceutical intermediates, mainly used in laboratory research and development processes and pharmaceutical and chemical production processes.

Synthesis

Compound 3 was dissolved in ethanol,Potassium hydroxide was added and refluxed at 78 ° C for 4 h,After cooling to room temperature (25 ° C), the reaction solution was extracted with IM HCl, extracted with ethyl acetate, dried over Mg2SO4 and dried to give the title compound 4 (92%).

References

[1] Patent: CN106317070, 2017, A. Location in patent: Paragraph 0127

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Preparation Products And Raw materials

Raw materials

Preparation Products

More

Less

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Suppliers

Americas 1 China 71 Europe 1 India 2 Japan 1 United Kingdom 2 United States 8 Global 86

Suzhou Rosen Biotechnology Co.,Ltd.

Tel: 0512-87888687 13626191410
Fax: 0512-62929131
Email: rosenchemical@163.com
Country: China
ProdList: 279
Advantage: 58

J & K SCIENTIFIC LTD.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 4006356688 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40228
Advantage: 62

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24529
Advantage: 81

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44801
Advantage: 61

T&W GROUP

Tel: 021-61551611 13296011611
Fax: ＋86 21-50676805
Email: contact@trustwe.com
Country: China
ProdList: 9895
Advantage: 58

Nanjing Norris-Pharm Technology Co., Ltd

Tel: 18652989687
Fax: +86-25-52131256
Email: sales@norris-pharm.com
Country: China
ProdList: 8878
Advantage: 55

TOKYO CHEMICAL INDUSTRY CO., LTD.

Tel: 03-36680489
Fax: 03-3668-0520
Email: Sales-JP@TCIchemicals.com
Country: Japan
ProdList: 28387
Advantage: 80

TCI Europe

Tel: 320-37350700
Fax: +32 (0)37350701
Email: sales@tcieurope.eu
Country: Europe
ProdList: 23671
Advantage: 75

TCI AMERICA

Tel: 800-4238616
Fax: +1-888-520-1075 / +1-503-283-1987
Email: sales@tciamerica.com
Country: Americas
ProdList: 23653
Advantage: 75

More

Less

View Lastest Price from 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

Product: 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid 7712-05-2
Price: US $1.10-9.90/kg
Min. Order: 1kg
Purity: 99%min
Supply Ability: 100kg
Release date: 2025-08-18

7712-05-2, 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acidRelated Search:

TETRABROMO-THIENO[3,2-B]THIOPHENE

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid 96%

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid

4,6-Dihydrothieno[3,4-<i>b</i>]thiophene-2-carboxylic Acid

4,6-dihydrothieno[2,3-c]thiophene-2-carboxylic acid

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylicAcid&gt

Thieno[3,4-b]thiophene-2-carboxylic acid, 4,6-dihydro-

4,6-Dihydro-thieno<3,4-b>thiophen-2-carbonsaeure

4H,6H-thieno[2,3-c]thiophene-2-carboxylic acid

7712-05-2