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ChemicalBook >> CAS DataBase List >> THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID

THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID

THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID price.
  • $21 - $2480
  • Product name: THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID
  • CAS: 1723-27-9
  • MF: C7H4O2S2
  • MW: 184.24
  • EINECS:
  • MDL Number:MFCD00115174
  • Synonyms:BTH-COOH;THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID;BUTTPARK 145\50-55;thieno[3,2-b]thiophene-5-carboxylic acid;Thieno[3,2-b]thiophene-2-carboxylic Acid;Thieno[3,2-b]thiophene-2-carboxylic acid 95+%;THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID ISO 9001：2015 REACH;hieno[3,2-b]thiophene-5-carboxylicaci
Price57 Properties Safety Information Description
57 prices
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  • ManufacturerACHEMBLOCK
  • Product numberW162586
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic acid 97%
  • Packaging5G
  • Price$200
  • Updated2026-05-25
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW162586
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic acid 97%
  • Packaging25G
  • Price$525
  • Updated2026-05-25
  • Buy
  • ManufacturerAcints
  • Product numberACI-01264
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic acid 95%+
  • Packaging5g
  • Price$355.05
  • Updated2026-05-20
  • Buy
  • ManufacturerAcints
  • Product numberACI-01264
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic Acid 95%+
  • Packaging1g
  • Price$79.75
  • Updated2021-12-16
  • Buy
  • ManufacturerAcints
  • Product numberACI-01264
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic Acid 95%+
  • Packaging5g
  • Price$304.5
  • Updated2021-12-16
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  • ManufacturerAcints
  • Product numberACI-01264
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic acid 95%+
  • Packaging1g
  • Price$93.15
  • Updated2026-05-20
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  • ManufacturerAdvanced Chemicals Intermediat
  • Product numberACI-01264
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic acid 95%+
  • Packaging1g
  • Price$93.15
  • Updated2026-05-19
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  • ManufacturerAdvanced Chemicals Intermediat
  • Product numberACI-01264
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic acid 95%+
  • Packaging5g
  • Price$355.05
  • Updated2026-05-19
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  • ManufacturerAdvanced Chemicals Intermediatesced Chemicals Intermediates
  • Product numberACI-01264
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic Acid 95%+
  • Packaging5g
  • Price$304.5
  • Updated2021-12-16
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  • ManufacturerAHH
  • Product numberMT-59408
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic Acid 98%
  • Packaging5g
  • Price$340
  • Updated2021-12-16
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  • ManufacturerAHH
  • Product numberMT-59408
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic acid 97%
  • Packaging5g
  • Price$340
  • Updated2026-05-25
  • Buy
  • ManufacturerAHH
  • Product numberMT-59408
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic acid 97%
  • Packaging5g
  • Price$340
  • Updated2026-05-26
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  • ManufacturerAK Scientific
  • Product number8868AA
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic Acid
  • Packaging1g
  • Price$227
  • Updated2021-12-16
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  • ManufacturerAlichem
  • Product number1723279
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic Acid
  • Packaging5g
  • Price$270
  • Updated2021-12-16
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  • ManufacturerAlichem
  • Product number1723279
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic Acid
  • Packaging10g
  • Price$430.65
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA264990
  • Product descriptionThieno[3,2-b]thiophene-2-carboxylic Acid 98%
  • Packaging25g
  • Price$805
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
ACHEMBLOCK W162586 Thieno[3,2-b]thiophene-2-carboxylic acid 97% 5G $200 2026-05-25 Buy
ACHEMBLOCK W162586 Thieno[3,2-b]thiophene-2-carboxylic acid 97% 25G $525 2026-05-25 Buy
Acints ACI-01264 Thieno[3,2-b]thiophene-2-carboxylic acid 95%+ 5g $355.05 2026-05-20 Buy
Acints ACI-01264 Thieno[3,2-b]thiophene-2-carboxylic Acid 95%+ 1g $79.75 2021-12-16 Buy
Acints ACI-01264 Thieno[3,2-b]thiophene-2-carboxylic Acid 95%+ 5g $304.5 2021-12-16 Buy
Acints ACI-01264 Thieno[3,2-b]thiophene-2-carboxylic acid 95%+ 1g $93.15 2026-05-20 Buy
Advanced Chemicals Intermediat ACI-01264 Thieno[3,2-b]thiophene-2-carboxylic acid 95%+ 1g $93.15 2026-05-19 Buy
Advanced Chemicals Intermediat ACI-01264 Thieno[3,2-b]thiophene-2-carboxylic acid 95%+ 5g $355.05 2026-05-19 Buy
Advanced Chemicals Intermediatesced Chemicals Intermediates ACI-01264 Thieno[3,2-b]thiophene-2-carboxylic Acid 95%+ 5g $304.5 2021-12-16 Buy
AHH MT-59408 Thieno[3,2-b]thiophene-2-carboxylic Acid 98% 5g $340 2021-12-16 Buy
AHH MT-59408 Thieno[3,2-b]thiophene-2-carboxylic acid 97% 5g $340 2026-05-25 Buy
AHH MT-59408 Thieno[3,2-b]thiophene-2-carboxylic acid 97% 5g $340 2026-05-26 Buy
AK Scientific 8868AA Thieno[3,2-b]thiophene-2-carboxylic Acid 1g $227 2021-12-16 Buy
Alichem 1723279 Thieno[3,2-b]thiophene-2-carboxylic Acid 5g $270 2021-12-16 Buy
Alichem 1723279 Thieno[3,2-b]thiophene-2-carboxylic Acid 10g $430.65 2021-12-16 Buy
Ambeed A264990 Thieno[3,2-b]thiophene-2-carboxylic Acid 98% 25g $805 2021-12-16 Buy
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Properties

Melting point :225-227
Boiling point :386.7±22.0 °C(Predicted)
Density :1.601±0.06 g/cm3(Predicted)
storage temp. :2-8°C(protect from light)
form :powder to crystal
pka :3.40±0.30(Predicted)
color :White to Yellow to Green
InChI :InChI=1S/C7H4O2S2/c8-7(9)6-3-5-4(11-6)1-2-10-5/h1-3H,(H,8,9)
InChIKey :GVZXSZWCZGKLRS-UHFFFAOYSA-N
SMILES :C12C=CSC=1C=C(C(O)=O)S2
CAS DataBase Reference :1723-27-9(CAS DataBase Reference)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321 Specific treatment (see … on this label).
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.

Description

Thieno[3,2-b]thiophene-2-carboxylic Acid has been used as a reactant for versatile α,ω-disubstituted tetratienoacene semiconductors for high performance organic thin-film transistors.

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ETHYL THIAZOLE-4-CARBOXYLATE THIAZOLE-2-CARBOXYLIC ACID Thiazole-5-carboxylic acid 37882-75-0 40985-58-8 160032-40-6 Thieno[3,2-c]pyridine-2-carboxylic acid methyl ester 31486-86-9 1,3-Dihydrothiopheno[3,2-d]pyrimidine-2,4-dione Thieno[2,3-b]pyridine (8CI,9CI) 1723-27-9

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Suppliers and manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Thieno[3,2-b]thiophene-2-carboxylic acid
$3.00 /50kg
Thieno[3,2-b]thiophene-2-carboxylic acid CAS:1723-27-9
career henan chemical co
THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID
$0.10 /1KG
THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID CAS:1723-27-9
Dideu Industries Group Limited
THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID
$1.10 /1g
THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID CAS:1723-27-9
Nanjing Yushan Wanfang Biotechnology Co., Ltd.
Zhengzhou HQ Material CO.,LTD.
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED
QINGDAO KAIENSI INTERNATIONAL TRADE CO.,LTD.
Unipharm pharmaceutical industry Co., Ltd
Finetech Industry Limited