Description

1-(Bromomethyl)Cyclopentene is a versatile brominated organic building block, essential for introducing the cyclopentenylmethyl moiety into complex molecular frameworks. Its reactive bromomethyl group makes it a critical intermediate for constructing advanced pharmaceutical compounds and fine chemicals through cross-coupling and substitution reactions. This high-purity intermediate is primarily sought by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty chemical sectors for synthesizing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in developing central nervous system (CNS) and anti-inflammatory drugs.
• Agrochemical Synthesis: Used in creating advanced fungicides, herbicides, and plant growth regulators that require the cyclopentene ring structure.
• Material Science: Serves as a monomer or cross-linking agent in the production of specialized polymers and resins with unique thermal or mechanical properties.
• Organic Synthesis Reagent: Employed in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck) and nucleophilic substitution reactions to form carbon-carbon bonds.
• Ligand and Catalyst Development: Acts as a precursor for synthesizing novel phosphine and N-heterocyclic carbene (NHC) ligands used in homogeneous catalysis.
• Flavor and Fragrance Industry: Intermediate for producing synthetic aroma compounds that feature cyclopentene derivatives.

Basic Information

Product Name	1-(Bromomethyl)Cyclopentene
CAS No.	69543-15-3
Molecular Formula	C6H9Br
Molecular Weight	161.04 g/mol
Synonyms	(Bromomethyl)cyclopentene; Cyclopent-1-en-1-ylmethyl Bromide; 1-Cyclopenten-1-ylmethyl Bromide; 1-(Bromomethyl)-1-cyclopentene; Bromomethylcyclopentene; NSC 169102; 1-Cyclopentenylmethyl Bromide
EINECS	Contact for details

Quality Control

Our 1-(Bromomethyl)Cyclopentene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance 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 heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or amber glass until use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%

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