5-Phenylvaleric acid
5-Phenylvaleric acid (CAS: 2270-20-4), with the linear formula C6H5CH2CH2CH2CH2COOH and a molecular weight of 178.23 g/mol, is a valuable carboxylic acid building block. It is frequently employed in organic synthesis and the preparation of more complex molecules. Its structure, featuring a phenyl group separated from a carboxylic acid by a five-carbon chain, makes it a useful intermediate for various chemical transformations and research applications.
- IUPAC
- 5-Phenylpentanoic acid
- Synonyms
- 5-Phenylpentanoic acid

Organic Synthesis Intermediate
5-Phenylvaleric acid serves as a versatile intermediate in the synthesis of diverse organic compounds. Its reactive carboxylic acid group and hydrocarbon chain allow for various functionalisation and coupling reactions.
Research and Development
It is utilised in laboratory settings for R&D purposes, including the exploration of new synthetic routes and the development of novel chemical entities. Its defined structure is beneficial for studying reaction mechanisms and structure-activity relationships.
Building Block for Complex Molecules
This compound functions as a key building block for constructing larger, more intricate molecular architectures. It is particularly useful in the synthesis of speciality chemicals and pharmaceutical precursors.
| Molecular weight | 178.23 |
|---|---|
| Linear formula | C6H5CH2CH2CH2CH2COOH |
| Assay | 99% |
| Boiling point | 177-178 °C/13 mmHg(lit.) |
| Melting point | 58-60 °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 5-Phenylvaleric acid used for?
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5-Phenylvaleric acid is primarily used as an organic synthesis intermediate and a building block for constructing complex molecules in research and development settings.
What is the CAS number and formula for 5-Phenylvaleric acid?
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The CAS number for 5-Phenylvaleric acid is 2270-20-4, and its linear formula is C6H5CH2CH2CH2CH2COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Phenylvaleric acid with a minimum assay of 99%. We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
How should 5-Phenylvaleric acid be handled safely?
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When handling 5-Phenylvaleric acid, it is essential to use appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if needed. It is classified with WGK Germany 3, indicating it is hazardous to the aquatic environment.
Is 5-Phenylvaleric acid a controlled substance?
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The provided data does not indicate that 5-Phenylvaleric acid is a controlled substance.
How is 5-Phenylvaleric acid packed and exported?
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5-Phenylvaleric acid is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions, adhering to all necessary regulations.
How can I request a quote or sample for 5-Phenylvaleric acid?
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Please contact the Tech Serve Solutions sales team directly via our website or by phone to request a quote or a sample of 5-Phenylvaleric acid.
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