4-Phenylamino-3-penten-2-one
4-Phenylamino-3-penten-2-one (CAS 26567-78-2) is an organic compound with the linear formula C 6 H 5 NC(CH 3 )CHCOCH 3 . This enaminone features a ketone and an amine group, making it a versatile building block in organic synthesis. Its molecular weight is 175.23 g/mol. This chemical is primarily utilised in the development of novel organic molecules and as an intermediate in the synthesis of more complex compounds.

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds. Its functional groups allow for diverse chemical transformations, facilitating the construction of complex molecular architectures.
Building Block for Heterocycles
The enaminone structure makes it a valuable precursor for the synthesis of heterocyclic compounds. These structures are important scaffolds in medicinal chemistry and material science.
Research and Development
Utilised in academic and industrial research laboratories for exploring new synthetic routes and discovering novel chemical entities. Its availability supports ongoing chemical innovation.
| Molecular weight | 175.23 |
|---|---|
| Linear formula | C6H5NC(CH3)CHCOCH3 |
| Assay | 97% |
| Melting point | 48-52 °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 |
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-Phenylamino-3-penten-2-one used for?
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4-Phenylamino-3-penten-2-one is primarily used as a versatile building block and intermediate in organic synthesis, particularly for the development of novel organic molecules and heterocyclic compounds.
What are the CAS number and chemical formula for 4-Phenylamino-3-penten-2-one?
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The CAS number for 4-Phenylamino-3-penten-2-one is 26567-78-2, and its linear formula is C 6 H 5 NC(CH 3 )CHCOCH 3 .
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Phenylamino-3-penten-2-one with an assay of 97%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 4-Phenylamino-3-penten-2-one be handled safely?
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Handle with care. This compound is classified as irritating to skin, eyes, and respiratory tract (H315-H319-H335). Use appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation.
Is 4-Phenylamino-3-penten-2-one available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Phenylamino-3-penten-2-one.
How can I request a quote or sample?
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To request a quote or sample of 4-Phenylamino-3-penten-2-one, please contact our sales team through the website or by phone.
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