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4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID

4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID structure

CAS No.: 40808-24-0

Chemical Name:: 4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID

Synonyms: AKOS B020860;TIMTEC-BB SBB009532;RARECHEM AL BE 0647;ART-CHEM-BB B020860;IFLAB-BB F2124-0595;4,5-dimethyl-2-thenoic acid;4,5-dimethyl-2-thiophenecarboxylate;4,5-DIMETHYL-2-THIOPHENECARBOXYLIC ACID;4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID;2,3-DIMETHYLTHIOPHENE-5-CARBOXYLIC ACID

CBNumber:: CB8213235

Molecular Formula:: C7H8O2S

Molecular Weight:: 156.2

MDL Number:: MFCD00512748

MOL File:: 40808-24-0.mol

MSDS File:: SDS

Last updated:2025-07-16 09:52:09

Product description	Number	Pack Size	Price
4,5-dimethylthiophene-2-carboxylicacid	D457825	1g	$240
4,5-Dimethylthiophene-2-carboxylic acid	FD126756	1g	$255
4,5-Dimethylthiophene-2-carboxylicacid	5554AB	5g	$395
4,5-Dimethylthiophene-2-carboxylic acid	FD126756	2g	$434
2,3-DIMETHYLTHIOPHENE-5-CARBOXYLIC ACID 95.00%	CHM0019453	1G	$765.23

Request For Quotation

4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID Properties

Melting point	206-211°C
Boiling point	290.6±35.0 °C(Predicted)
Density	1.259±0.06 g/cm3(Predicted)
storage temp.	2-8°C
pka	3.96±0.10(Predicted)
Appearance	White to off-white Solid
CAS DataBase Reference	40808-24-0(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P280-P301+P312-P302+P352-P305+P351+P338
Hazard Codes	Xi
Risk Statements	36
Safety Statements	26
HazardClass	IRRITANT

4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID price More Price(15)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	D457825	4,5-dimethylthiophene-2-carboxylicacid	40808-24-0	1g	$240	2021-12-16	Buy
Biosynth Carbosynth	FD126756	4,5-Dimethylthiophene-2-carboxylic acid	40808-24-0	1g	$255	2021-12-16	Buy
AK Scientific	5554AB	4,5-Dimethylthiophene-2-carboxylicacid	40808-24-0	5g	$395	2021-12-16	Buy
Biosynth Carbosynth	FD126756	4,5-Dimethylthiophene-2-carboxylic acid	40808-24-0	2g	$434	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0019453	2,3-DIMETHYLTHIOPHENE-5-CARBOXYLIC ACID 95.00%	40808-24-0	1G	$765.23	2021-12-16	Buy

Product number	Packaging	Price	Buy
D457825	1g	$240	Buy
FD126756	1g	$255	Buy
5554AB	5g	$395	Buy
FD126756	2g	$434	Buy
CHM0019453	1G	$765.23	Buy

4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID Chemical Properties,Uses,Production

Chemical Properties

white to light yellow crystal powder

4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID Preparation Products And Raw materials

Raw materials

Hydrazinium hydroxide solution Potassium hydroxide Ethylene glycol 3-Methyl-2-thiophenecarboxaldehyde n-Butyllithium

Preparation Products

4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID Suppliers

Global( 66)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
Hebei Chuanghai Biotechnology Co., Ltd	+8615531151365	mina@chuanghaibio.com	China	18126	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	+8618950047208	ellena@amitychem.com	China	43416	58
DAYANG CHEM (HANGZHOU) CO.,LTD	+86-88938639 +86-17705817739	info@dycnchem.com	China	53802	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131957	58
Mainchem Co., Ltd.	+86-0592-6210733	sale@mainchem.com	China	32343	55
J & K SCIENTIFIC LTD.	18210857532; 18210857532	jkinfo@jkchemical.com	China	96815	76
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30123	84
Energy Chemical	021-021-58432009 400-005-6266	sales8178@energy-chemical.com	China	44802	61

Supplier	Advantage
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
Hebei Chuanghai Biotechnology Co., Ltd	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	58
DAYANG CHEM (HANGZHOU) CO.,LTD	58
Amadis Chemical Company Limited	58
Mainchem Co., Ltd.	55
J & K SCIENTIFIC LTD.	76
Alfa Aesar	84
Energy Chemical	61

4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID Spectrum

4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID(40808-24-0)¹HNMR

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2,3-DIMETHYLTHIOPHENE-5-CARBOXYLIC ACID AKOS B020860 IFLAB-BB F2124-0595 ART-CHEM-BB B020860 RARECHEM AL BE 0647 TIMTEC-BB SBB009532 4,5-DIMETHYLTHIOPHENE-2-CARBOXYLIC ACID 4,5-DIMETHYL-2-THIOPHENECARBOXYLIC ACID 4,5-dimethylthiophene-2-carboxylic acid(SALTDATA: FREE) 2-Thiophenecarboxylicacid, 4,5-diMethyl- 4,5-dimethyl-2-thenoic acid 4,5-dimethyl-2-thiophenecarboxylate 40808-24-0 Thiophenes Heterocyclic Building Blocks Building Blocks Thiophene&Benzothiophene Building Blocks Heterocyclic Building Blocks Thiophenes