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ChemicalBook >> CAS DataBase List >>4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid

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

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Structure
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid structure
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[3,4-b]thiophene-2-carboxylic acid;4,6-dihydrothieno[2,3-c]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
Molecular Weight:
186.25
MDL Number:
MFCD20642620
MOL File:
7712-05-2.mol
MSDS File:
SDS
Last updated:2023-06-08 17:06:37
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4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Properties

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
InChIKey RBINIIIGSUWMLQ-UHFFFAOYSA-N

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
HS Code  2934999090
NFPA 704
0
1 0

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid price More Price(28)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical D4071 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid >98.0%(GC)(T) 7712-05-2 1g $732 2024-03-01 Buy
TRC D454783 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid 7712-05-2 100mg $60 2021-12-16 Buy
SynQuest Laboratories 6H66-1-0V 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid 96% 7712-05-2 250mg $64 2021-12-16 Buy
Biosynth Carbosynth FD61237 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid 7712-05-2 100mg $75 2021-12-16 Buy
Apolloscientific OR54533 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid 96% 7712-05-2 250mg $41 2021-12-16 Buy
Product number Packaging Price Buy
D4071 1g $732 Buy
D454783 100mg $60 Buy
6H66-1-0V 250mg $64 Buy
FD61237 100mg $75 Buy
OR54533 250mg $41 Buy

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

1.png
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%).

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

7767-60-4
7712-05-2
Synthesis of 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid from Methyl 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylate

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

Raw materials

AKOS B019308 Methyl 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylate METHYL THIOPHENE-2-CARBOXYLATE

Preparation Products

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

Global( 80)Suppliers
Supplier Tel Email Country ProdList Advantage
Suzhou Victorypharm Co.,Ltd.
+86-13916956214 sales@victory-pharm.com China 1299 58
AB PharmaTech,LLC 		323-480-4688 sales@acrospharmatech.com United States 989 55
Yunbio Tech Co.,Ltd. 		+86-010-60605551 +86-18046518538 yunbiochem@126.com China 321 58
Alchem Pharmtech,Inc. 		8485655694 sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED 		+8618523575427 sales@conier.com China 49374 58
SHANGHAI T&W PHARMACEUTICAL CO., LTD. 		+86-021-61551413 +8618813727289 contact@trustwe.com China 5738 58
Career Henan Chemica Co 		+86-0371-86658258 +8613203830695 laboratory@coreychem.com China 30239 58
SUZHOU SENFEIDA CHEMICAL CO.,LTD 		+86-0512-83500002 +8615195660023 sales@senfeida.com China 23046 58
LEAPCHEM CO., LTD. 		+86-852-30606658 market18@leapchem.com China 43340 58
Aladdin Scientific 		+1-+1(833)-552-7181 sales@aladdinsci.com United States 57505 58
Supplier Advantage
Suzhou Victorypharm Co.,Ltd.
58
AB PharmaTech,LLC 		55
Yunbio Tech Co.,Ltd. 		58
Alchem Pharmtech,Inc. 		58
CONIER CHEM AND PHARMA LIMITED 		58
SHANGHAI T&W PHARMACEUTICAL CO., LTD. 		58
Career Henan Chemica Co 		58
SUZHOU SENFEIDA CHEMICAL CO.,LTD 		58
LEAPCHEM CO., LTD. 		58
Aladdin Scientific 		58

7712-05-2(4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid)Related Search:

TETRABROMO-THIENO[3,2-B]THIOPHENE
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid 4,6-dihydrothieno[2,3-c]thiophene-2-carboxylic acid 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid 96% 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylicAcid> 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