5-Methyl-2-Thiophenecarboxylic Acid CAS#1918-79-2
Versatile Organic Building Block: Serves as an important intermediate for the synthesis of a wide range of organic and specialty chemical compounds.
Widely Used in Pharmaceutical Research: Utilized as a key precursor in the development and optimization of pharmaceutical candidates and bioactive molecules.
Valuable for Agrochemical Applications: Plays an important role in agrochemical research and the synthesis of crop protection compounds.
Thiophene-Based Functional Intermediate: Features a thiophene ring structure that provides useful reactivity and versatility for advanced chemical synthesis and molecular design.
Product Description of 5-Methyl-2-Thiophenecarboxylic Acid CAS#1918-79-2
5-Methyl-2-thiophenecarboxylic acid (C₆H₆O₂S) is a versatile alkyl-substituted thiophene derivative widely used as an organic building block in pharmaceutical and agrochemical research. Its thiophene-based structure makes it a valuable intermediate for the synthesis and development of a variety of specialty chemical compounds.
5-Methyl-2-Thiophenecarboxylic Acid Chemical Properties
| 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) |
| NIST Chemistry Reference | 5-Methyl-2-thiophenecarboxylic acid (keto form)(1918-79-2) |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| HazardClass | IRRITANT |
| HS Code | 29309090 |
Product Application of 5-Methyl-2-Thiophenecarboxylic Acid CAS#1918-79-2
5-Methyl-2-thiophenecarboxylic acid is commonly used as an organic intermediate in chemical synthesis and research applications.




