ChemicalBook >> CAS DataBase List >>5-Methyl-2-thiophenecarboxylic acid
5-Methyl-2-thiophenecarboxylic acid
- CAS No.
- 1918-79-2
- Chemical Name:
- 5-Methyl-2-thiophenecarboxylic acid
- Synonyms
- 5-METHYLTHIOPHENE-2-CARBOXYLIC ACID;2-Thiophenecarboxylic acid, 5-methyl-;AKOS B000091;TIMTEC-BB SBB004146;RARECHEM AL BE 0181;5-METHYL-2-THENOIC ACID;Rivaroxaban Impurity 51;2-Carboxy-5-methylthiophene;ethyl-2-thiophenecarboxylic acid;5-Methylthiophen-2-carboxylic acid
- CBNumber:
- CB3183843
- Molecular Formula:
- C6H6O2S
- Molecular Weight:
- 142.18
- MDL Number:
- MFCD00005439
- MOL File:
- 1918-79-2.mol
- MSDS File:
- SDS
Last updated:2023-05-25 10:25:51
| Melting point | 135-138 °C(lit.) |
|---|---|
| Boiling point | 229.75°C (rough estimate) |
| Density | 1.365 (estimate) |
| refractive index | 1.5300 (estimate) |
| storage temp. | 2-8°C(protect from light) |
| pka | 3.71±0.10(Predicted) |
| form | Liquid |
| color | Clear |
| BRN | 113857 |
| CAS DataBase Reference | 1918-79-2(CAS DataBase Reference) |
| FDA UNII | 5SX6CX4FJB |
| NIST Chemistry Reference | 5-Methyl-2-thiophenecarboxylic acid (keto form)(1918-79-2) |
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 | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 22-24/25 | |||||||||
| WGK Germany | 3 | |||||||||
| HazardClass | IRRITANT | |||||||||
| HS Code | 29309090 | |||||||||
| NFPA 704 |
|
5-Methyl-2-thiophenecarboxylic acid price More Price(33)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | M84429 | 5-Methyl-2-thiophenecarboxylic acid 99% | 1918-79-2 | 5g | $41.1 | 2023-06-20 | Buy |
| Sigma-Aldrich | M84429 | 5-Methyl-2-thiophenecarboxylic acid 99% | 1918-79-2 | 25g | $255 | 2022-05-15 | Buy |
| TCI Chemical | M1118 | 5-Methyl-2-thiophenecarboxylic Acid >98.0%(GC)(T) | 1918-79-2 | 5g | $41 | 2024-03-01 | Buy |
| Alfa Aesar | A17737 | 5-Methylthiophene-2-carboxylic acid, 98+% | 1918-79-2 | 5g | $43.65 | 2024-03-01 | Buy |
| Alfa Aesar | A17737 | 5-Methylthiophene-2-carboxylic acid, 98+% | 1918-79-2 | 25g | $138.65 | 2024-03-01 | Buy |
5-Methyl-2-thiophenecarboxylic acid Chemical Properties,Uses,Production
Chemical Properties
BEIGE CRYSTALLINE POWDER
Definition
ChEBI: 5-Methyl-2-thiophenecarboxylic acid is a thiophenecarboxylic acid.
Synthesis Reference(s)
Tetrahedron Letters, 15, p. 2373, 1974 DOI: 10.1016/S0040-4039(01)92259-2
5-Methyl-2-thiophenecarboxylic acid Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 267)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 32686 | 60 |
| Accela ChemBio Inc. | (+1)-858-699-3322 | info@accelachem.com | United States | 19965 | 58 |
| Standardpharm Co. Ltd. | 86-714-3992388 | overseasales1@yongstandards.com | United States | 14336 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-61398051 +8613650506873 | sales@chemdad.com | China | 39916 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63711 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49391 | 58 |
| career henan chemical co | +86-0371-86658258 15093356674; | factory@coreychem.com | China | 29826 | 58 |
| Zhengzhou Alfa Chemical Co.,Ltd | +8618530059196 | sale04@alfachem.cn | China | 12731 | 58 |
| SIMAGCHEM CORP | +86-13806087780 | sale@simagchem.com | China | 17367 | 58 |
| Hebei Miaobian Biotechnology Co., Ltd | +8617733850068 | CHINA | 979 | 58 |
View Lastest Price from 5-Methyl-2-thiophenecarboxylic acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2023-03-06 | 5-Methyl-2-thiophenecarboxylic acid
1918-79-2
|
US $9.00 / KG | 1KG | 99.8% | 100tons | Hebei Guanlang Biotechnology Co,.LTD | |
 |
2022-03-26 | 5-Methyl-2-thiophenecarboxylic acid
1918-79-2
|
US $1.10 / g | 1g | 99.00% | 100 Tons | Dideu Industries Group Limited | |
 |
2021-07-22 | 5-Methyl-2-thiophenecarboxylic acid
1918-79-2
|
US $0.00-0.00 / KG | 1KG | 98% | >100KG | Shanghai kingmorn biotechnology Co.,LTD. |
-
- 5-Methyl-2-thiophenecarboxylic acid
1918-79-2
- US $9.00 / KG
- 99.8%
- Hebei Guanlang Biotechnology Co,.LTD
-
- 5-Methyl-2-thiophenecarboxylic acid
1918-79-2
- US $1.10 / g
- 99.00%
- Dideu Industries Group Limited
-
- 5-Methyl-2-thiophenecarboxylic acid
1918-79-2
- US $0.00-0.00 / KG
- 98%
- Shanghai kingmorn biotechnology Co.,LTD.
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5-METHYLTHIOPHENE-2-CARBOXYLIC ACID
ethyl-2-thiophenecarboxylic acid
1918-79-2
CH3C4H2SCOOH
ARYL ACID
Building Blocks
Thiophenes
Heterocyclic Building Blocks
Building Blocks
Heterocyclic Building Blocks
Thiophenes
Thiophene&Benzothiophene
Organic acids
Heterocyclic Compounds
Thiophens
Acids and Derivatives
Heterocycles