Description

α-Bromo-α-Methyl-γ-Butyrolactone is a versatile brominated lactone building block used in advanced organic synthesis. This compound is valued for its reactive α-bromo functionality, which enables key transformations in the construction of complex molecules. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for applications such as intermediate synthesis and heterocycle formation.

Application

• Pharmaceutical Intermediate: A key synthon for the preparation of active pharmaceutical ingredients (APIs) and bioactive molecules.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Building Block: Serves as a precursor for specialty chemicals, flavors, and fragrances.
• Material Science Research: Employed in the synthesis of monomers or polymers with specific functional properties.
• Academic & R&D Laboratories: A valuable reagent for methodological development and exploratory organic chemistry.

Basic Information

Product Name	α-Bromo-α-Methyl-γ-Butyrolactone
CAS No.	33693-67-3
Molecular Formula	C6H7BrO2
Molecular Weight	191.02 g/mol
Synonyms	α-Bromo-α-methyl-γ-butyrolactone; 3-Bromo-3-methyl-dihydrofuran-2(3H)-one; 2(3H)-Furanone, dihydro-3-bromo-3-methyl-; 3-Bromo-3-methylbutyrolactone; Bromomethylbutyrolactone; α-Methyl-α-bromo-γ-butyrolactone
EINECS	Contact for details

Quality Control

Our α-Bromo-α-Methyl-γ-Butyrolactone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (by HPLC or GC), identity (IR), and impurity profiles are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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