trans-4-(2-Thienyl)-3-buten-2-one
trans-4-(2-Thienyl)-3-buten-2-one (CAS 33603-63-3), a thiophene derivative with the molecular formula C8H8OS and a molecular weight of 152.21 g/mol, is a valuable chemical building block. It is characterised by its distinct unsaturated ketone and thienyl functionalities, making it useful in organic synthesis. Supplied at a typical purity of 98%, this compound serves as an intermediate in the creation of more complex molecules.

Organic Synthesis Intermediate
This compound acts as a versatile building block in organic chemistry. Its structure, featuring a thiophene ring and an alpha,beta-unsaturated ketone, allows for diverse synthetic transformations.
Heterocyclic Chemistry
As a thiophene derivative, it is employed in the synthesis of various heterocyclic compounds. These structures are often explored for their potential in medicinal chemistry and materials science.
Research and Development
Its unique chemical structure makes it a useful reagent for researchers investigating novel synthetic pathways and developing new chemical entities.
| Molecular weight | 152.21 |
|---|---|
| Empirical formula | C8H8OS |
| Assay | 98% |
| Density | 1.151 g/mL at 25 °C(lit.) |
| Melting point | 25-26 °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 trans-4-(2-Thienyl)-3-buten-2-one used for?
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trans-4-(2-Thienyl)-3-buten-2-one is primarily used as a building block in organic synthesis and in the field of heterocyclic chemistry for the development of new molecules.
What is the CAS number and formula for trans-4-(2-Thienyl)-3-buten-2-one?
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The CAS number is 33603-63-3 and the empirical formula is C8H8OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-4-(2-Thienyl)-3-buten-2-one with an assay of 98%. This product is supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or other pharmacopoeial grades.
What are the safety and handling recommendations for this compound?
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When handling trans-4-(2-Thienyl)-3-buten-2-one, it is essential to wear appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter may be necessary. Refer to the Safety Data Sheet for comprehensive handling information and hazard details.
How is trans-4-(2-Thienyl)-3-buten-2-one shipped?
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Tech Serve Solutions exports chemicals globally and ensures appropriate packaging and documentation for safe and compliant shipment.
How can I request a sample or quote for trans-4-(2-Thienyl)-3-buten-2-one?
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To request a sample or a quote, please contact our sales department via the website or telephone, providing the product name and CAS number (33603-63-3).
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