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3,4-Thiophenedicarboxylic acid, 2,5-dihydro-

3,4-Thiophenedicarboxylic acid, 2,5-dihydro- Structure
3,4-Thiophenedicarboxylic acid, 2,5-dihydro- structure
CAS No.
20688-07-7
Chemical Name:
3,4-Thiophenedicarboxylic acid, 2,5-dihydro-
Synonyms
2,5-Dihydro-3,4-thiophenedicarboxylic acid;3,4-Thiophenedicarboxylic acid, 2,5-dihydro-;2,2,4,4-tetrahydrothiophene-3,4-dicarboxylicacid
CBNumber:
CB66142335
Molecular Formula:
C6H6O4S
Molecular Weight:
174.17
MDL Number:
MFCD02181099
MOL File:
20688-07-7.mol
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3,4-Thiophenedicarboxylic acid, 2,5-dihydro- Properties

Melting point 183-184 °C(Solv: acetone (67-64-1); benzene (71-43-2))
Boiling point 417.8±45.0 °C(Predicted)
Density 1.708±0.06 g/cm3(Predicted)
pka 3.25±0.20(Predicted)

3,4-Thiophenedicarboxylic acid, 2,5-dihydro- price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC D449888 2,5-Dihydrothiophene-3,4-dicarboxylicAcid 20688-07-7 1g $660 2021-12-16 Buy
American Custom Chemicals Corporation CHM0990551 2,5-DIHYDRO-3,4-THIOPHENEDICARBOXYLIC ACID 95.00% 20688-07-7 5MG $503.68 2021-12-16 Buy
Product number Packaging Price Buy
D449888 1g $660 Buy
CHM0990551 5MG $503.68 Buy

3,4-Thiophenedicarboxylic acid, 2,5-dihydro- Chemical Properties,Uses,Production

Uses

2,5-Dihydrothiophene-3,4-dicarboxylic Acid is used in the synthetic preparation of cantharidin.

3,4-Thiophenedicarboxylic acid, 2,5-dihydro- Preparation Products And Raw materials

Raw materials

Preparation Products

Cantharidin Thieno[3,4-c]furan-1,3(4H,6H)-dione

3,4-Thiophenedicarboxylic acid, 2,5-dihydro- Suppliers

Global( 2)Suppliers
Supplier Tel Email Country ProdList Advantage
Shanghai Haohong Pharmaceutical Co., Ltd. 400-400-8210725 4008210725 malulu@leyan.com China 55023 58
TCI (Shanghai) Chemical Trading Co., Ltd. 021-61109150 sales@tcisct.com China 31163 58
Supplier Advantage
Shanghai Haohong Pharmaceutical Co., Ltd. 58
TCI (Shanghai) Chemical Trading Co., Ltd. 58
3,4-Thiophenedicarboxylic acid, 2,5-dihydro- 2,2,4,4-tetrahydrothiophene-3,4-dicarboxylicacid 2,5-Dihydro-3,4-thiophenedicarboxylic acid 20688-07-7