Description

3-(3-Bromophenyl)-3-Methylbutanoic Acid is a versatile brominated aromatic carboxylic acid derivative, serving as a key intermediate in advanced organic synthesis. Its value lies in the strategic placement of the bromine atom on the phenyl ring, which enables selective cross-coupling reactions and further functionalization. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring a substituted phenylacetic acid moiety.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Ligand & Catalyst Development: Serves as a precursor for creating specialized ligands used in transition metal catalysis and asymmetric synthesis.
• Material Science Research: Employed in the development of novel organic electronic materials, liquid crystals, and polymers.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for custom synthesis projects and fine chemical production under cGMP or ISO standards.

Basic Information

Product Name	3-(3-Bromophenyl)-3-Methylbutanoic Acid
CAS No.	42288-04-0
Molecular Formula	C11H13BrO2
Molecular Weight	257.12 g/mol
Synonyms	3-(3-Bromophenyl)-3-methylbutyric acid; 3-Methyl-3-(3-bromophenyl)butanoic acid; β,β-Dimethyl-3-bromohydrocinnamic acid; 3-Bromo-β,β-dimethylhydrocinnamic acid; m-Bromo-α,α-dimethylphenylacetic acid (related); 3-(3-Bromophenyl)-3-methylbutanoate (anion form)
EINECS	Contact for details

Quality Control

Our 3-(3-Bromophenyl)-3-Methylbutanoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.