Description

3-Bromo-4-(Methoxycarbonyl)Benzoic Acid is a versatile bifunctional aromatic building block containing both a carboxylic acid and a methyl ester group, activated by a bromine substituent. This compound is critical for the synthesis of complex molecules, offering two distinct reactive sites for sequential functionalization. It is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing active pharmaceutical ingredients (APIs) and advanced intermediates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition and other enzyme-related pathways.
• Agrochemical Synthesis: Building block for developing advanced herbicides, fungicides, and plant growth regulators with specific activity profiles.
• Liquid Crystal & OLED Materials: Used in the research and production of specialty organic electronic materials due to its rigid, substituted benzene core.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for creating specialty polyesters and polyamides with tailored properties.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for Suzuki, Buchwald-Hartwig, and other palladium-catalyzed cross-coupling reactions.
• Chemical Reference Standard: Used as a high-purity standard for analytical method development and quality control in chemical manufacturing.

Basic Information

Product Name	3-Bromo-4-(Methoxycarbonyl)Benzoic Acid
CAS No.	264272-63-1
Molecular Formula	C9H7BrO4
Molecular Weight	259.06 g/mol
Synonyms	4-Carboxy-3-bromobenzoic acid methyl ester; Methyl 3-bromo-4-carboxybenzoate; 3-Bromo-4-(carbomethoxy)benzoic acid; Benzoic acid, 3-bromo-4-(methoxycarbonyl)-; 3-Bromo-4-methoxycarbonylbenzoic acid; 3-Bromomethyl 4-carboxybenzoate
EINECS	Contact for details

Quality Control

Our 3-Bromo-4-(Methoxycarbonyl)Benzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible materials. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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