4-Cyanophenylacetic acid
4-Cyanophenylacetic acid (CAS: 5462-71-5, C9H7NO2) is a key organic building block with a molecular weight of 161.16 g/mol. This white to off-white solid is widely employed in chemical synthesis as an intermediate. Its structural features, including the carboxylic acid and nitrile functionalities, make it valuable for creating more complex molecules in research and industrial applications. Tech Serve Solutions supplies this compound for laboratory and manufacturing purposes.

Organic Synthesis Intermediate
4-Cyanophenylacetic acid serves as a crucial intermediate in the synthesis of various organic compounds. Its reactive functional groups allow for diverse chemical transformations.
Pharmaceutical Research
This compound can be used as a building block in the development of new pharmaceutical agents. It provides a versatile scaffold for medicinal chemistry exploration.
Material Science
The structure of 4-Cyanophenylacetic acid may lend itself to applications in material science, potentially in the synthesis of polymers or specialised organic materials.
| Molecular weight | 161.16 |
|---|---|
| Empirical formula | C9H7NO2 |
| Assay | 97% |
| Melting point | 150-154 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/38 |
| Safety statements (S) | 26 |
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-Cyanophenylacetic acid used for?
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4-Cyanophenylacetic acid is primarily used as an intermediate in organic synthesis and in pharmaceutical research and development.
What are the CAS number and formula for 4-Cyanophenylacetic acid?
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The CAS number is 5462-71-5 and the molecular formula is C9H7NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Cyanophenylacetic acid with a purity of 97%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP.
How should 4-Cyanophenylacetic acid be handled?
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Handle 4-Cyanophenylacetic acid with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, due to hazards including H302 (Harmful if swallowed), H315 (Causes skin irritation), and H319 (Causes serious eye irritation).
Is 4-Cyanophenylacetic acid a controlled substance?
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The provided data does not indicate that 4-Cyanophenylacetic acid is a controlled substance.
How is 4-Cyanophenylacetic acid shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Cyanophenylacetic acid, adhering to all relevant shipping and export regulations.
How can I request a quote or sample for 4-Cyanophenylacetic acid?
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Please contact Tech Serve Solutions directly through our website or sales department to request a quote or a sample of 4-Cyanophenylacetic acid.
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