Description

Cyclopentane, 1-Bromo-2-Methylene- (9Ci) is a specialized brominated cyclopentane derivative that serves as a versatile and reactive synthetic intermediate. Its unique structure, featuring both a bromine atom and an exocyclic methylene group, makes it a valuable building block for constructing complex molecular frameworks in advanced organic synthesis. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for applications such as cycloaddition reactions, polymer modification, and the synthesis of novel bioactive compounds.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Building block for creating novel pesticides, herbicides, and plant growth regulators.
• Polymer & Material Science: Monomer or cross-linking agent for developing specialty polymers and advanced functional materials.
• Organic Synthesis Reagent: Used in Diels-Alder cycloadditions, radical reactions, and as an alkylating agent in research laboratories.
• Ligand & Catalyst Development: Starting material for synthesizing novel ligands and organometallic catalysts.
• Fine Chemical Production: Intermediate in the manufacture of dyes, flavors, and fragrances.

Basic Information

Product Name	Cyclopentane, 1-Bromo-2-Methylene- (9Ci)
CAS No.	437709-18-7
Molecular Formula	C6H9Br
Molecular Weight	161.04 g/mol
Synonyms	1-Bromo-2-methylidenecyclopentane; 2-Methylenecyclopentyl bromide; (2-Methylenecyclopentyl)bromide; Bromo(methylene)cyclopentane; NSC 122048; Cyclopentane, bromomethylene-; 1-Bromo-2-methylenecyclopentane
EINECS	Contact for details

Quality Control

Our Cyclopentane, 1-Bromo-2-Methylene- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Incompatible with strong acids and strong oxidizing agents. For prolonged storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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