Description

2-(3-Bromo-4-Ethylphenyl)-2-Methylpropanoic Acid is a high-purity, advanced pharmaceutical intermediate characterized by its specific brominated and ethyl-substituted aromatic structure. This compound is critical for the synthesis of complex active pharmaceutical ingredients (APIs) and other fine chemicals where precise molecular architecture is required. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing new therapeutic agents and high-value products.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel Active Pharmaceutical Ingredients (APIs), particularly for central nervous system (CNS) and anti-inflammatory drug candidates.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides and pesticides, leveraging its halogenated aromatic core.
• Material Science Research: Serves as a monomer or precursor in the development of specialty polymers and liquid crystals.
• Organic Synthesis: Employed in cross-coupling reactions (e.g., Suzuki, Heck) and other catalytic transformations to construct complex molecular frameworks in R&D laboratories.
• Chemical Reference Standard: Used as a certified reference material (CRM) for analytical method development and quality control in chemical manufacturing.

Basic Information

Product Name	2-(3-Bromo-4-Ethylphenyl)-2-Methylpropanoic Acid
CAS No.	1238328-64-7
Molecular Formula	C₁₂H₁₅BrO₂
Molecular Weight	271.15 g/mol
Synonyms	2-Methyl-2-(3-bromo-4-ethylphenyl)propanoic acid; α,α-Dimethyl-3-bromo-4-ethylbenzenepropanoic acid; 3-Bromo-4-ethyl-α,α-dimethylbenzenepropanoic acid; 2-(3-Bromo-4-ethylphenyl)-2-methylpropionic acid; BEMP Acid (abbrev.); (3-Bromo-4-ethylphenyl)isobutyric acid; 1238328-64-7; 2-(3-Bromo-4-ethylphenyl)isobutyric acid
EINECS	Contact for details

Quality Control

Our 2-(3-Bromo-4-Ethylphenyl)-2-Methylpropanoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your most demanding synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container sealed to protect from moisture absorption. Store away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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