3-Methyl-2-thiophenecarboxylic acid
3-Methyl-2-thiophenecarboxylic acid (CAS: 23806-24-8; Formula: C6H6O2S; MW: 142.18) is a heterocyclic organic compound and a valuable building block. It is characterised by its thiophene ring substituted with a methyl group and a carboxylic acid functional group. This compound serves as a key intermediate in chemical synthesis, particularly in the development of novel organic molecules and pharmaceuticals. It is supplied by TSS with a minimum assay of 98%.

Organic Synthesis Intermediate
Utilised as a fundamental building block in multi-step organic syntheses. Its functional groups allow for diverse chemical transformations, enabling the construction of complex molecular architectures.
Pharmaceutical Research
Serves as a precursor or intermediate in the synthesis of potential pharmaceutical agents. The thiophene motif is present in various biologically active compounds.
Heterocyclic Chemistry
A key reagent in the study and development of thiophene-based compounds. Its structure facilitates investigations into novel heterocyclic systems and their properties.
| Molecular weight | 142.18 |
|---|---|
| Empirical formula | C6H6O2S |
| Assay | 98% |
| Melting point | 147-149 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Methyl-2-thiophenecarboxylic acid primarily used for?
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3-Methyl-2-thiophenecarboxylic acid is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and heterocyclic chemistry.
What are the CAS number and molecular formula for 3-Methyl-2-thiophenecarboxylic acid?
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The CAS number for 3-Methyl-2-thiophenecarboxylic acid is 23806-24-8, and its molecular formula is C6H6O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methyl-2-thiophenecarboxylic acid with a minimum assay of 98%. This product is not supplied as USP, BP, or EP grade.
How should 3-Methyl-2-thiophenecarboxylic acid be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. In environments where dust or aerosols may be generated, a type N95 (US) or P1 (EN143) respirator filter is recommended. Refer to the Safety Data Sheet for full details. The WGK is 3.
Is 3-Methyl-2-thiophenecarboxylic acid exported by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-Methyl-2-thiophenecarboxylic acid.
How can I request a quote or sample of 3-Methyl-2-thiophenecarboxylic acid?
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To request a quote or a sample, please contact the Tech Serve Solutions sales team through our website or by phone, providing your requirements and delivery details.
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