α-Bromo-4-chlorophenylacetic acid
α-Bromo-4-chlorophenylacetic acid (CAS 3381-73-5) is a halogenated aromatic carboxylic acid with the molecular formula C8H6BrClO2 and a molecular weight of 249.49 g/mol. This compound serves as a valuable building block in organic synthesis, particularly within the pharmaceutical and chemical industries. Its structure, featuring both bromine and chlorine substituents on the phenylacetic acid core, allows for diverse chemical transformations.

Pharmaceutical Intermediates
This compound is utilised in the synthesis of various active pharmaceutical ingredients (APIs). Its functional groups enable its incorporation into complex molecular structures during drug discovery and development processes.
Organic Synthesis Building Block
As a versatile reagent, α-Bromo-4-chlorophenylacetic acid is employed in constructing intricate organic molecules. It is frequently used in academic research and industrial R&D for creating novel chemical entities.
Fine Chemical Production
The compound finds application in the production of specialised fine chemicals. Its reactivity allows for the introduction of specific structural motifs required in advanced chemical manufacturing.
| Molecular weight | 249.49 |
|---|---|
| Empirical formula | C8H6BrClO2 |
| Assay | 97% |
| Melting point | 95-99 °C |


Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 α-Bromo-4-chlorophenylacetic acid used for?
+
α-Bromo-4-chlorophenylacetic acid is primarily used as a building block in organic synthesis, particularly for the development of pharmaceutical intermediates and fine chemicals.
What is the CAS number and chemical formula for α-Bromo-4-chlorophenylacetic acid?
+
The CAS number is 3381-73-5, and the empirical formula is C8H6BrClO2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies α-Bromo-4-chlorophenylacetic acid with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should α-Bromo-4-chlorophenylacetic acid be handled safely?
+
This compound is classified as corrosive and harmful if swallowed (H302-H314). Handling requires stringent safety measures, including the use of full-face protection, chemical-resistant gloves, and appropriate respiratory protection. Always refer to the Safety Data Sheet (SDS) for detailed guidance.
How is this chemical packed and exported?
+
Tech Serve Solutions packs and exports chemicals in compliance with all relevant international shipping regulations. Detailed information regarding specific packaging for UN 3261 8 / PGII can be provided upon request.
How can I request a quote or sample?
+
To request a quote or a sample of α-Bromo-4-chlorophenylacetic acid, please contact our sales team via the website or direct inquiry.
▶ 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