3-(2-Thienyl)acrylic acid
3-(2-Thienyl)acrylic acid (CAS: 1124-65-8, Formula: C7H6O2S) is a heterocyclic organic compound with a molecular weight of 154.19 g/mol. This white to off-white solid serves as a valuable building block in chemical synthesis, particularly within the realm of organic and medicinal chemistry. Its thiophene moiety and acrylic acid functionality make it a versatile intermediate for creating more complex molecules.
- IUPAC
- 2-Thiopheneacrylic acid
- Synonyms
- 2-Thiopheneacrylic acid

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of diverse organic compounds. Its reactive functional groups allow for various chemical transformations.
Medicinal Chemistry Research
Serves as a precursor or intermediate in the development of novel pharmaceutical agents and biologically active molecules. The thiophene ring is a common scaffold in drug discovery.
Material Science
Can be employed in the synthesis of novel polymers or functional materials where the thiophene unit imparts specific electronic or structural properties.
| Molecular weight | 154.19 |
|---|---|
| Empirical formula | C7H6O2S |
| Assay | 98% |
| Melting point | 145-148 °C(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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37 |
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-(2-Thienyl)acrylic acid used for?
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3-(2-Thienyl)acrylic acid is primarily used as a building block in organic synthesis, particularly in medicinal chemistry for developing new pharmaceutical agents and in material science.
What are the CAS number and molecular formula for 3-(2-Thienyl)acrylic acid?
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The CAS number is 1124-65-8 and the molecular formula is C7H6O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(2-Thienyl)acrylic acid with an assay of 98%. We do not represent this product as USP, BP, EP or other pharmacopoeial grades.
How should 3-(2-Thienyl)acrylic acid be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Refer to the safety data sheet for full details.
Does Tech Serve Solutions export 3-(2-Thienyl)acrylic acid?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3-(2-Thienyl)acrylic acid.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team via the website or designated contact channels, providing the product name and CAS number (1124-65-8).
What are the primary hazards associated with this chemical?
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This chemical is classified as a Warning (GHS07) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335).
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