ChemicalBook >> CAS DataBase List >>4-Methyl-2-thiophenecarboxylic acid
4-Methyl-2-thiophenecarboxylic acid
- CAS No.
- 14282-78-1
- Chemical Name:
- 4-Methyl-2-thiophenecarboxylic acid
- Synonyms
- 4-METHYLTHIOPHENE-2-CARBOXYLIC ACID;Compound Fr13693;BUTTPARK 99\15-30;ASINEX-REAG BAS 07664671;2-Carboxy-4-methylthiophene;4-methylthiophen-2-carboxlic acid;4-methylthiophen-2-carboxylic acid;4-Methyl-2-thiophenecarboxylic acid;2-Thiophenecarboxylic acid, 4-methyl-;4-Methylthiophene-2-carboxylic acid 97%
- CBNumber:
- CB9767715
- Molecular Formula:
- C6H6O2S
- Molecular Weight:
- 142.18
- MDL Number:
- MFCD00089284
- MOL File:
- 14282-78-1.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-05-28 06:09:16
| Melting point | 122-126 °C(lit.) |
|---|---|
| Boiling point | 158 °C(Press: 16 Torr) |
| Density | 1.319±0.06 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | solid |
| pka | 3.76±0.10(Predicted) |
| Appearance | Light yellow to yellow Solid |
| InChI | 1S/C6H6O2S/c1-4-2-5(6(7)8)9-3-4/h2-3H,1H3,(H,7,8) |
| InChIKey | YCIVJGQMXZZPAB-UHFFFAOYSA-N |
| SMILES | Cc1csc(c1)C(O)=O |
| CAS DataBase Reference | 14282-78-1(CAS DataBase Reference) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H317-H319 |
| Precautionary statements | P280-P302+P352-P305+P351+P338 |
| PPE | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36-43 |
| Safety Statements | 26-37/39 |
| WGK Germany | 3 |
| HazardClass | IRRITANT |
| HS Code | 29349990 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Sens. 1 |
4-Methyl-2-thiophenecarboxylic acid price More Price(66)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 633550 | 4-Methylthiophene-2-carboxylic acid 97% | 14282-78-1 | 5g | $68.9 | 2023-06-20 | Buy |
| Sigma-Aldrich | 633550 | 4-Methylthiophene-2-carboxylic acid 97% | 14282-78-1 | 25g | $335 | 2023-06-20 | Buy |
| Usbiological | 281797 | 4-Methylthiophene-2-carboxylic acid Asreported | 14282-78-1 | 5g | $395 | 2026-06-03 | Buy |
| Usbiological | 281797 | 4-Methylthiophene-2-carboxylic acid Asreported | 14282-78-1 | 10g | $603 | 2026-06-03 | Buy |
| Usbiological | 281797 | 4-Methylthiophene-2-carboxylic acid Asreported | 14282-78-1 | 25g | $901 | 2026-06-03 | Buy |
4-Methyl-2-thiophenecarboxylic acid Chemical Properties,Uses,Production
Chemical Properties
white to light yellow crystal powder
Synthesis Reference(s)
Chemistry Letters, 12, p. 127, 1983
Tetrahedron Letters, 15, p. 2373, 1974 DOI: 10.1016/S0040-4039(01)92259-2
4-Methyl-2-thiophenecarboxylic acid Preparation Products And Raw materials
Raw materials
1of2
Preparation Products
Global( 150)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| SuZhou Nahsor PharmTec Co.,Ltd | 13482028355 | 46630809@qq.com | China | 129 | 58 |
| Zhuhai Aobokai Biomedical Technology Co., Ltd. | 400-0628126 | sales-team@aobchem.com.cn | China | 49995 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| PharmaBlock Sciences (Nanjing),Inc. | 025-86918202 4000255188 | sales@pharmablock.com | China | 5000 | 55 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Wuhan Chemwish Technology Co., Ltd | 86-027-67849912 | sales@chemwish.com | China | 35884 | 56 |
| Capot Chemical Co., Ltd | +86 (0) 571 85 58 67 18 | China | 18187 | 66 | |
| Shanghai Sinch Parmaceuticals Tech. Co. Ltd. | +86-21-54098501 | sales@sinch.com.cn | China | 11592 | 64 |
| Adamas Reagent, Ltd. | 400-6009262 15618770481 | yhx@titansci.com | China | 14098 | 59 |
| Accela ChemBio Co.,Ltd. | 021-50795510 4000665055 | marketing@accelachem.com | China | 10972 | 64 |
View Lastest Price from 4-Methyl-2-thiophenecarboxylic acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-08-20 | 4-Methyl-2-thiophenecarboxylic acid
14282-78-1
|
$1.10 | 1g | 99.00% | 100 Tons | Dideu Industries Group Limited | |
![]() |
2026-02-02 | 4-Methyl-2-thiophenecarboxylic acid
14282-78-1
|
$1.00 | 1g | 99% | 50tons | Shaanxi Dideu Medichem Co. Ltd | |
![]() |
2019-08-09 | 4-Methyl-2-thiophenecarboxylic acid
14282-78-1
|
$8.80 | 1KG | 97%-99% | 100kg | Career Henan Chemical Co |
-

- 4-Methyl-2-thiophenecarboxylic acid
14282-78-1
- $1.10
- 99.00%
- Dideu Industries Group Limited
-

- 4-Methyl-2-thiophenecarboxylic acid
14282-78-1
- $1.00
- 99%
- Shaanxi Dideu Medichem Co. Ltd
-

- 4-Methyl-2-thiophenecarboxylic acid
14282-78-1
- $8.80
- 97%-99%
- Career Henan Chemical Co
14282-78-1(4-Methyl-2-thiophenecarboxylic acid)Related Search:
BUTTPARK 99\15-30
ASINEX-REAG BAS 07664671
2-Carboxy-4-methylthiophene
2-Carboxy-4-methylthiophene, 4-Methyl-2-thenoic acid
4-Methylthiophene-2-carboxylic acid 97%
4-Methyl-2-thiophenecarboxylic acid
4-methylthiophen-2-carboxlic acid
4-methylthiophen-2-carboxylic acid
2-Thiophenecarboxylic acid, 4-methyl-
4-Methyl-2-thiophenecarboxylic acid ISO 9001:2015 REACH
Compound Fr13693
4-METHYLTHIOPHENE-2-CARBOXYLIC ACID
14282-78-1
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