4-(2-Thienyl)butyric acid
4-(2-Thienyl)butyric acid (CAS 4653-11-6), with the molecular formula C8H10O2S and a molecular weight of 170.23, is a valuable heterocyclic building block. This thiophene derivative is primarily employed in organic synthesis and chemical research. Its structure makes it suitable for incorporation into more complex molecules, serving as an intermediate in various synthetic pathways. Tech Serve Solutions supplies this compound for laboratory and industrial applications.
- IUPAC
- 2-Thiophenebutyric acid

Organic Synthesis Intermediate
This compound serves as a key building block in the synthesis of diverse organic molecules. Its thiophene ring and carboxylic acid functionality allow for various chemical transformations, aiding in the construction of complex structures.
Research and Development
Utilised in R&D settings for exploring new chemical entities and reaction methodologies. Its heterocyclic nature and functional groups make it an interesting scaffold for medicinal chemistry and materials science research.
Chemical Manufacturing
Acts as a precursor or intermediate in the production of fine chemicals and specialty materials. The compound's specific structure can be leveraged to introduce thiophene moieties into target molecules.
| Molecular weight | 170.23 |
|---|---|
| Empirical formula | C8H10O2S |
| Assay | 98% |
| Density | 1.169 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.532(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 4-(2-Thienyl)butyric acid used for?
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4-(2-Thienyl)butyric acid is primarily used as a building block in organic synthesis and for research and development purposes in chemical laboratories. It acts as an intermediate in the creation of more complex organic molecules.
What are the CAS number and formula for 4-(2-Thienyl)butyric acid?
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The CAS number for 4-(2-Thienyl)butyric acid is 4653-11-6, and its molecular formula is C8H10O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(2-Thienyl)butyric acid with an assay of 98%. This product is intended for chemical synthesis and laboratory use. We do not represent it as USP, BP, or EP grade.
What are the safety and handling considerations for 4-(2-Thienyl)butyric acid?
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4-(2-Thienyl)butyric acid is classified with the GHS symbol GHS07 and the signal word Warning. It carries hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and gloves, should be worn, and handling should occur in a well-ventilated area or fume hood. Refer to the Safety Data Sheet for comprehensive information.
Can Tech Serve Solutions export 4-(2-Thienyl)butyric acid?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-(2-Thienyl)butyric acid, and can fulfil export orders.
How can I request a sample or quote for 4-(2-Thienyl)butyric acid?
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To request a sample or a quote for 4-(2-Thienyl)butyric acid, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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