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3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid

Base Information Edit
  • Chemical Name:3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid
  • CAS No.:175202-55-8
  • Molecular Formula:C10H8O4S2
  • Molecular Weight:256.303
  • Hs Code.:2934999090
  • European Community (EC) Number:673-127-8
  • DSSTox Substance ID:DTXSID10381115
  • Nikkaji Number:J3.164.401A
  • Wikidata:Q72472207
  • Mol file:175202-55-8.mol
3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid

Synonyms:175202-55-8;3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid;3,4-Dimethylthieno(2,3-b)thiophene-2,5-dicarboxylic acid;3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylicacid;Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3,4-dimethyl-;Maybridge1_004740;C10H8O4S2;YSWG161;dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid;SCHEMBL2804151;HMS554P10;DTXSID10381115;JARLNIWLMPUVAR-UHFFFAOYSA-N;MFCD00067989;AKOS015911638;CCG-254015;AS-70763;CS-0153623;FT-0614386;D81895;A811843;J-511224;3,4-dimethylthieno [2,3-b]thiophene-2,5-dicarboxylic acid;Thieno[2,3-b]thiophene-2,5-dicarboxylicacid,3,4-dimethyl-

Suppliers and Price of 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid
Supply Marketing:Edit
Business phase:
The product has achieved commercial mass production*data from LookChem market partment
Manufacturers and distributors:
  • Manufacture/Brand
  • Chemicals and raw materials
  • Packaging
  • price
  • SynQuest Laboratories
  • 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid 95.0%
  • 250 mg
  • $ 173.00
  • Matrix Scientific
  • 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid 95+%
  • 10g
  • $ 850.00
  • Matrix Scientific
  • 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid 95+%
  • 1g
  • $ 195.00
  • Matrix Scientific
  • 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid 95+%
  • 5g
  • $ 575.00
  • Crysdot
  • 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylicacid 95+%
  • 10g
  • $ 347.00
  • American Custom Chemicals Corporation
  • 3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2,5-DICARBOXYLIC ACID 95.00%
  • 5G
  • $ 1042.97
  • American Custom Chemicals Corporation
  • 3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2,5-DICARBOXYLIC ACID 95.00%
  • 1G
  • $ 674.29
  • Ambeed
  • 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylicacid 95+%
  • 1g
  • $ 239.00
  • Ambeed
  • 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylicacid 95+%
  • 250mg
  • $ 80.00
  • Ambeed
  • 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylicacid 95+%
  • 100mg
  • $ 55.00
Total 16 raw suppliers
Chemical Property of 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid Edit
Chemical Property:
  • Vapor Pressure:2.08E-12mmHg at 25°C 
  • Melting Point:>360 °C 
  • Refractive Index:1.736 
  • Boiling Point:538 °C at 760 mmHg 
  • PKA:2.70±0.30(Predicted) 
  • Flash Point:279.2 °C 
  • PSA:131.08000 
  • Density:1.6 g/cm3 
  • LogP:2.97600 
  • Storage Temp.:Keep in dark place,Sealed in dry,Room Temperature 
  • XLogP3:3.4
  • Hydrogen Bond Donor Count:2
  • Hydrogen Bond Acceptor Count:6
  • Rotatable Bond Count:2
  • Exact Mass:255.98640108
  • Heavy Atom Count:16
  • Complexity:303
Purity/Quality:

97% *data from raw suppliers

3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid 95.0% *data from reagent suppliers

Safty Information:
  • Pictogram(s):  
  • Hazard Codes: 
  • Statements: 36/37/38 
  • Safety Statements: 26-36/37/39 
MSDS Files:

SDS file from LookChem

Useful:
  • Canonical SMILES:CC1=C(SC2=C1C(=C(S2)C(=O)O)C)C(=O)O
Technology Process of 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid

There total 2 articles about 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:
Guidance literature:
With potassium hydroxide; In ethanol; water; for 12h; Reflux;
DOI:10.1002/chem.201500815
Guidance literature:
Multi-step reaction with 2 steps
1.1: K2CO3 / dimethylformamide / 0.5 h
1.2: 92 percent / dimethylformamide / 0 - 20 °C
2.1: aq. NaOH / ethanol / 2 h / Heating
With sodium hydroxide; potassium carbonate; In ethanol; N,N-dimethyl-formamide;
DOI:10.1002/jhet.5570380521
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