Chinese Japanese Germany Korea
ChemicalBook >> CAS DataBase List >>4,5-Dimethylthiophene-2-carboxylic acid

4,5-Dimethylthiophene-2-carboxylic acid

4,5-Dimethylthiophene-2-carboxylic acid Structure
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;2,3-DIMETHYLTHIOPHENE-5-CARBOXYLIC ACID;4,5-Dimethylthiophene-2-carboxylic acid
CBNumber:
CB8213235
Molecular Formula:
C7H8O2S
Molecular Weight:
156.2
MDL Number:
MFCD00512748
MOL File:
40808-24-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:55:31
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)  Exclamation Mark (GHS07)
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(34)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Activate Scientific AS186919 4,5-Dimethylthiophene-2-carboxylic Acid 98% 40808-24-0 250mg $142 2026-06-04 Buy
Activate Scientific AS186919 4,5-Dimethylthiophene-2-carboxylic Acid 98% 40808-24-0 1g $270 2026-06-04 Buy
Matrix Scientific 019318 4,5-Dimethyl-thiophene-2-carboxylic acid 40808-24-0 500.00mg $182 2026-05-18 Buy
aablocks AA003KFO 4,5-Dimethylthiophene-2-carboxylic acid 95% 40808-24-0 250mg $51 2026-05-28 Buy
aablocks AA003KFO 4,5-Dimethylthiophene-2-carboxylic acid 95% 40808-24-0 1g $102 2026-05-28 Buy
Product number Packaging Price Buy
AS186919 250mg $142 Buy
AS186919 1g $270 Buy
019318 500.00mg $182 Buy
AA003KFO 250mg $51 Buy
AA003KFO 1g $102 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
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16305 64
Atop-Pharma (Shanghai) Technology Co., Ltd. +86 (21) 5196-9732 China 996 57
Shenzhen Pharma Technology Co., Ltd. 0755-86648230 pharma08@sina.com China 165 58
Shanghai Yolne Chemical Co., Ltd. 021-62960152 934678158@qq.com China 9886 55
DKMbiochem.Co. Ltd 15901859516 sales@DKMbiochem.com China 361 58
Tianjin Anhao Biological Technology Co., Ltd. sales@ahpharmatech.com China 5734 55
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Alfa Aesar 84
Energy Chemical 61
Capot Chemical Co., Ltd 66
Nanjing Chemlin Chemical Co., Ltd 64
Atop-Pharma (Shanghai) Technology Co., Ltd. 57
Shenzhen Pharma Technology Co., Ltd. 58
Shanghai Yolne Chemical Co., Ltd. 55
DKMbiochem.Co. Ltd 58
Tianjin Anhao Biological Technology Co., Ltd. 55

4,5-Dimethylthiophene-2-carboxylic acid Spectrum

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

40808-24-0(4,5-Dimethylthiophene-2-carboxylic acid)Related Search:

2-AMINO-4,5-DIMETHYLTHIOPHENE-3-CARBOXYLIC ACID 2-Thiophenecarboxylic acid 2,5-Dimethylthiophene-3-carboxylic acid 4,5-Dimethylthiophene-2-carboxylic acid Methyl 4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylate
4-Phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid 2-cyclopropaneamido-4,5-dimethylthiophene-3-carboxylic acid Methyl 8-chloro-4H-benzo[b]thieno[2,3-d]thiine-2-carboxylate 5-(4-Bromo-phenyl)-4-methyl-thiophene-2-carboxylic acid Methyl 3-amino-4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylate
Ethyl 4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylate 4,5,6,7-Tetrahydro-benzo[b]thiophene-2-carboxylic acid 4,5-Dihydronaphtho[1,2-b]thiophene-2-carboxylic acid Methyl 4,5-dihydronaphtho[1,2-b]thiophene-2-carboxylate 3-Amino-4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid
RARECHEM AK MA K043 ASINEX-REAG BAS 02456835 Benzo(b)thiophene-2-carboxylic acid, 4,5,6,7-tetrahydro-3-(3-((1,1-dim ethylethyl)amino)-2-hydroxypropoxy)-, hydrochloride

1of4

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-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 4,5-Dimethylthiophene-2-carboxylic acid 40808-24-0 Thiophenes Heterocyclic Building Blocks Building Blocks Thiophene&Benzothiophene Building Blocks Heterocyclic Building Blocks Thiophenes