Description

4-Bromo-3-Methylbutanoic Acid Methyl Ester is a versatile brominated ester building block of significant importance in advanced organic synthesis. Its value lies in its reactive bromine and ester functionalities, which enable efficient carbon-carbon bond formation and molecular diversification. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of complex molecules, including active pharmaceutical ingredients (APIs) and specialty intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring a brominated alkyl chain.
• Agrochemical Synthesis: Used in the development and production of advanced pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: Serves as a versatile reagent for alkylation reactions, Grignard reagent preparation, and nucleophilic substitution in complex molecule assembly.
• Material Science Research: Employed in the creation of specialty monomers and polymers with tailored properties for advanced materials.
• Flavor and Fragrance Industry: Acts as an intermediate for the synthesis of specific ester-based aroma compounds.
• Academic and R&D Laboratories: Utilized in methodological studies and the discovery of new synthetic pathways in organic chemistry.

Basic Information

Product Name	4-Bromo-3-Methylbutanoic Acid Methyl Ester
CAS No.	59147-45-4
Molecular Formula	C6H11BrO2
Molecular Weight	195.06 g/mol
Synonyms	Methyl 4-Bromo-3-methylbutanoate; 4-Bromo-3-methylbutyric Acid Methyl Ester; 3-Methyl-4-bromobutanoic Acid Methyl Ester; Butanoic acid, 4-bromo-3-methyl-, methyl ester; Methyl 4-bromo-3-methylbutyrate; 4-Bromo-3-methyl-butyric acid methyl ester
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-Methylbutanoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and bases. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index	1.460 - 1.470
Density	1.35 - 1.45 g/cm³

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