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3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID

3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID structure

CAS No.: 139926-23-1

Chemical Name:: 3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID

Synonyms: 3-ethoxyThien-2-carboxylic acid;3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID; 3-Ethoxy-2-Thiophenecarboxylicacid;2-Thiophenecarboxylic acid, 3-ethoxy-

CBNumber:: CB8261195

Molecular Formula:: C7H8O3S

Molecular Weight:: 172.2

MDL Number:: MFCD00205205

MOL File:: 139926-23-1.mol

MSDS File:: SDS

Last updated:2026-05-28 05:32:36

Product description	Number	Pack Size	Price
3-ethoxythiophene-2-carboxylic acid Aldrich^CPR	CDS013881	250 mg	$77.9
3-Ethoxythiophene-2-carboxylic acid	PFA92623	2.5g	$295
3-Ethoxythiophene-2-carboxylic acid	113835	1.00g	$119
3-Ethoxythiophene-2-carboxylic acid 97%	AA001BQN	250mg	$79
3-Ethoxythiophene-2-carboxylic acid 97%	CD41002017	5g	$466
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3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID Properties

Melting point	121-123°C
Boiling point	305.3±22.0 °C(Predicted)
Density	1.305±0.06 g/cm3(Predicted)
storage temp.	2-8°C
form	solid
pka	3.68±0.10(Predicted)
color	Pale brown
InChI	1S/C7H8O3S/c1-2-10-5-3-4-11-6(5)7(8)9/h3-4H,2H2,1H3,(H,8,9)
InChIKey	FTKDCOINUAYGTC-UHFFFAOYSA-N
SMILES	CCOc1ccsc1C(O)=O
UNSPSC Code	12352106
NACRES	NA.21

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Hazard Codes

Risk Statements

36/37/38-36

Safety Statements

26-36/37/39

WGK Germany

WGK 3

HS Code

2934999090

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2

NFPA 704

	1
2		0

3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID price More Price(25)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	CDS013881	3-ethoxythiophene-2-carboxylic acid Aldrich^CPR		250 mg	$77.9	2026-04-30	Buy
Biosynth	PFA92623	3-Ethoxythiophene-2-carboxylic acid	139926-23-1	2.5g	$295	2026-06-04	Buy
Matrix Scientific	113835	3-Ethoxythiophene-2-carboxylic acid	139926-23-1	1.00g	$119	2026-05-18	Buy
aablocks	AA001BQN	3-Ethoxythiophene-2-carboxylic acid 97%	139926-23-1	250mg	$79	2026-05-28	Buy
Crysdot	CD41002017	3-Ethoxythiophene-2-carboxylic acid 97%	139926-23-1	5g	$466	2026-05-27	Buy

Product number	Packaging	Price	Buy
CDS013881	250 mg	$77.9	Buy
PFA92623	2.5g	$295	Buy
113835	1.00g	$119	Buy
AA001BQN	250mg	$79	Buy
CD41002017	5g	$466	Buy

3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID Chemical Properties,Uses,Production

Uses

3-Ethoxythiophene-2-carboxylic acid is used as a pharmaceutical intermediate.

3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID Suppliers

Global( 43)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Changzhou Ditong Chemical Co.,Ltd	+86-0519-88298848	info@edengenechem.com	China	2163	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63645	58
CONIER CHEM AND PHARMA LIMITED		sales@conier.com	China	49906	58
Career Henan Chemica Co	+86-0371-86658258 +86-13203830695	laboratory@coreychem.com	China	30203	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	+8618950047208	ellena@amitychem.com	China	43392	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131885	58
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
Energy Chemical	021-021-58432009 400-005-6266	sales8178@energy-chemical.com	China	44848	61
Nanjing Chemlin Chemical Co., Ltd	025-83697070 13770331960	info@chemlin.com.cn	China	16305	64
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57

Supplier	Advantage
Changzhou Ditong Chemical Co.,Ltd	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
Career Henan Chemica Co	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	58
Amadis Chemical Company Limited	58
Alfa Aesar	84
Energy Chemical	61
Nanjing Chemlin Chemical Co., Ltd	64
Shandong Xiya Chemical Co., Ltd	57

139926-23-1(3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID)Related Search:

3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID METHYL ESTER METHYL 3-(1-METHYL-2-OXOPROPOXY)-2-THIOPHENECARBOXYLATE METHYL 3-[(4-FLUOROBENZYL)OXY]-2-THIOPHENECARBOXYLATE METHYL 3-[(4-CHLOROBENZYL)OXY]-2-THIOPHENECARBOXYLATE METHYL 3-[(2,4-DICHLOROBENZYL)OXY]THIENO[2,3-B]PYRIDINE-2-CARBOXYLATE

3-[(4-FLUOROBENZYL)OXY]-2-THIOPHENECARBOXYLIC ACID 3-([3-(TRIFLUOROMETHYL)BENZYL]OXY)-2-THIOPHENECARBOXYLIC ACID 3-[(4-CHLOROBENZYL)OXY]-2-THIOPHENECARBOXYLIC ACID 3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID HYDRAZIDE METHYL 3-[(4-METHOXYBENZYL)OXY]THIENO[2,3-B]PYRIDINE-2-CARBOXYLATE

METHYL 3-(BENZYLOXY)THIENO[2,3-B]PYRIDINE-2-CARBOXYLATE METHYL 3-[(3-CHLOROBENZYL)OXY]THIENO[2,3-B]PYRIDINE-2-CARBOXYLATE 3-[(3,4-DICHLOROBENZYL)OXY]THIENO[2,3-B]PYRIDINE-2-CARBOXYLIC ACID METHYL 3-[(2,6-DICHLOROBENZYL)OXY]THIENO[2,3-B]PYRIDINE-2-CARBOXYLATE METHYL 3-[(4-CHLOROBENZYL)OXY]THIENO[2,3-B]PYRIDINE-2-CARBOXYLATE

METHYL 3-[(3,4-DICHLOROBENZYL)OXY]THIENO[2,3-B]PYRIDINE-2-CARBOXYLATE METHYL 5-CHLORO-3-[(2,3,3-TRICHLOROACRYLOYL)OXY]THIOPHENE-2-CARBOXYLATE METHYL 3-[(2-CHLOROBENZYL)OXY]THIENO[2,3-B]PYRIDINE-2-CARBOXYLATE

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3-ETHOXYTHIOPHENE-2-CARBOXYLIC ACID 3-Ethoxy-2-Thiophenecarboxylicacid 2-Thiophenecarboxylic acid, 3-ethoxy- 3-ethoxyThien-2-carboxylic acid 139926-23-1