Description

2-Bromocyclopentanone is a versatile brominated ketone building block essential for advanced organic synthesis. Its reactive α-bromo ketone functionality makes it a critical intermediate for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications such as cyclization reactions and the synthesis of heterocyclic compounds.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and bioactive molecules.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Reagent: Employed in cyclization reactions, ring-expansion protocols, and as a precursor for other functionalized cyclopentanones.
• Heterocyclic Chemistry: Valuable starting material for the construction of various nitrogen- and oxygen-containing heterocycles.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialized polymers and advanced materials.
• Academic & Industrial R&D: Fundamental reagent in methodological development and discovery chemistry within university and corporate laboratories.

Basic Information

Product Name	2-Bromocyclopentanone
CAS No.	21943-50-0
Molecular Formula	C5H7BrO
Molecular Weight	163.01 g/mol
Synonyms	α-Bromocyclopentanone; Cyclopentanone, 2-bromo-; 2-Bromo-cyclopentanone; Bromocyclopentanone; NSC 404087; 2-Bromocyclopentanon; 2-Bromocyclopentan-1-one
EINECS	Contact for details

Quality Control

Our 2-Bromocyclopentanone is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to rigorous analytical testing, including chromatographic and spectroscopic methods, to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment. We support compliance with global regulatory frameworks, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from direct light sources to maintain stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 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.