4-Oxo-4-phenylbutanenitrile
4-Oxo-4-phenylbutanenitrile (CAS: 5343-98-6), with the molecular formula C6H5C(O)CH2CH2CN and a molecular weight of 159.18 g/mol, is a valuable organic building block. This ketone and nitrile derivative serves as an intermediate in various chemical syntheses, contributing to the development of more complex molecules. Its structure makes it a useful precursor in organic chemistry research and development, particularly for compounds requiring both phenyl ketone and nitrile functionalities.
- IUPAC
- β-Benzoylpropionitrile,β-Cyanopropiophenone,(γ-Oxo)-benzenebutanenitrile,2-Cyanoethyl phenyl ketone,3-Benzoylpropionitrile,3-Cyano-1-phenylpropan-1-one
- Synonyms
- 3-Benzoylpropionitrile2-Cyanoethyl phenyl ketoneβ-Benzoylpropionitrileβ-Cyanopropiophenone

Organic Synthesis Intermediate
4-Oxo-4-phenylbutanenitrile functions as a key intermediate in the synthesis of diverse organic compounds. Its dual functionality allows for various chemical transformations, making it suitable for creating heterocyclic compounds and other complex structures.
Pharmaceutical Research
This compound may be employed in the early stages of pharmaceutical research as a building block for novel drug candidates. Its structure can be modified to explore new therapeutic agents.
Material Science Precursor
As a functionalized organic molecule, 4-Oxo-4-phenylbutanenitrile can act as a precursor in the development of new materials. Modifications to the nitrile or ketone groups can lead to polymers or specialised chemicals.
| Molecular weight | 159.18 |
|---|---|
| Linear formula | C6H5C(O)CH2CH2CN |
| Assay | 97% |
| Melting point | 74-78 °C |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Oxo-4-phenylbutanenitrile primarily used for?
+
4-Oxo-4-phenylbutanenitrile (CAS: 5343-98-6) is primarily used as an intermediate in organic synthesis and potentially in pharmaceutical research and material science development.
What is the CAS number and molecular formula for 4-Oxo-4-phenylbutanenitrile?
+
The CAS number for 4-Oxo-4-phenylbutanenitrile is 5343-98-6, and its molecular formula is C6H5C(O)CH2CH2CN.
What grade and purity does Tech Serve Solutions supply for 4-Oxo-4-phenylbutanenitrile?
+
Tech Serve Solutions supplies 4-Oxo-4-phenylbutanenitrile with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the main safety hazards associated with 4-Oxo-4-phenylbutanenitrile?
+
4-Oxo-4-phenylbutanenitrile is classified with GHS07 symbol and a 'Warning' signal word. It carries the hazard statement H302, indicating it is harmful if swallowed. Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, faceshields, and gloves, should be used when handling this compound.
How is 4-Oxo-4-phenylbutanenitrile typically packed and shipped?
+
4-Oxo-4-phenylbutanenitrile is carefully packed and exported by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
How can I request a quote or sample of 4-Oxo-4-phenylbutanenitrile?
+
To request a quote or a sample of 4-Oxo-4-phenylbutanenitrile, please contact our sales team through the website or direct inquiry channels.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis