3-(3-Chlorophenyl)propionic acid
3-(3-Chlorophenyl)propionic acid (CAS 21640-48-2) is a carboxylic acid with the linear formula (3-Cl-C<sub>6</sub>H<sub>4</sub>)CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>H and a molecular weight of 184.62 g/mol. This organic building block serves as a valuable intermediate in chemical synthesis. It is typically used in research and development settings for the creation of more complex molecules, particularly within the pharmaceutical and agrochemical sectors. Its chemical structure allows for various synthetic transformations.

Pharmaceutical Intermediate
This compound can function as a key building block in the synthesis of active pharmaceutical ingredients (APIs). Its carboxylic acid functionality and chlorophenyl group offer reactive sites for further chemical modification.
Organic Synthesis Reagent
Utilised in academic and industrial research laboratories, 3-(3-Chlorophenyl)propionic acid is employed in multi-step syntheses to construct novel organic molecules. It is a useful component for researchers exploring new chemical entities.
Material Science Research
The unique structural features of this molecule may lend themselves to applications in material science, such as the development of specialized polymers or functional materials.
| Molecular weight | 184.62 |
|---|---|
| Linear formula | (3-Cl-C6H4)CH2CH2CO2H |
| Assay | 97% |
| Melting point | 72-76 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41-43 |
| Safety statements (S) | 26-39 |
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 3-(3-Chlorophenyl)propionic acid used for?
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3-(3-Chlorophenyl)propionic acid is primarily used as a building block and intermediate in organic synthesis, particularly in research and development for pharmaceuticals and other complex organic molecules.
What is the CAS number and chemical formula for 3-(3-Chlorophenyl)propionic acid?
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The CAS number is 21640-48-2, and its linear chemical formula is (3-Cl-C<sub>6</sub>H<sub>4</sub>)CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(3-Chlorophenyl)propionic acid with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated.
What are the safety and handling considerations for this product?
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This compound is classified as Dangerous. It is harmful if swallowed (H302), may cause an allergic skin reaction (H317), and causes serious eye damage (H318). Always wear appropriate personal protective equipment, including eyeshields, face shields, gloves, and a dust mask (type N95 or equivalent). Handle in a well-ventilated area.
How is 3-(3-Chlorophenyl)propionic acid exported or shipped?
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Tech Serve Solutions is experienced in exporting fine chemicals globally, adhering to all relevant shipping and customs regulations for chemical products.
How can I request a sample or quote for 3-(3-Chlorophenyl)propionic acid?
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To request a sample or a detailed quotation, please contact our sales team through the website or via direct inquiry, providing your specific requirements.
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