4-Chloro-2′-butyrothienone
4-Chloro-2′-butyrothienone (CAS: 43076-59-1) is a halogenated heterocyclic compound with the molecular formula C8H9ClOS and a molecular weight of 188.67 g/mol. As a thiophene derivative, it serves as a valuable building block in chemical synthesis, particularly for researchers and manufacturers in the pharmaceutical and fine chemical industries. Its structure allows for diverse chemical transformations, making it a useful intermediate.
- IUPAC
- 4-Chloro-1-(2-thienyl)-1-butanone
- Synonyms
- 4-Chloro-1-(2-thienyl)-1-butanone
Chemical Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of more complex organic molecules. Its halogenated thiophene structure provides reactive sites for various chemical transformations, enabling the creation of novel chemical entities.
Research and Development
Utilised in academic and industrial R&D settings, 4-Chloro-2′-butyrothienone is employed in the exploration of new chemical pathways and the development of novel compounds, particularly within heterocyclic chemistry.
Pharmaceutical Building Block
Its structural features make it relevant in the early stages of drug discovery and development, serving as a foundational component for potential pharmaceutical candidates.
| Molecular weight | 188.67 |
|---|---|
| Empirical formula | C8H9ClOS |
| Assay | 97% |
| Density | 1.663 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.565(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) | 26-36 |
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-Chloro-2′-butyrothienone used for?
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4-Chloro-2′-butyrothienone is primarily used as a chemical intermediate and building block in organic synthesis, particularly in research and development for pharmaceuticals and fine chemicals.
What are the CAS number and molecular formula for 4-Chloro-2′-butyrothienone?
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The CAS number is 43076-59-1, and the empirical formula (Hill notation) is C8H9ClOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chloro-2′-butyrothienone with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 4-Chloro-2′-butyrothienone be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation and use a suitable respirator. This compound is classified with Warning signal word and causes skin irritation, eye irritation, and may cause respiratory irritation (H315-H319-H335).
Is 4-Chloro-2′-butyrothienone exported by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Chloro-2′-butyrothienone.
How can I request a quote or sample?
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Please contact our sales team or use the online portal to request a quote or sample for 4-Chloro-2′-butyrothienone.
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