Description

Cyclopentene, 4-Bromo-3-Methoxy- (9Ci) CAS NO 474808-12-3 is a functionalized cyclopentene derivative, a versatile halogenated building block prized for its reactive bromine and methoxy substituents. This compound is essential for advanced organic synthesis, enabling the construction of complex molecular architectures through cross-coupling and substitution reactions. It is primarily sought by research institutions and pharmaceutical development companies for creating novel active pharmaceutical ingredients (APIs) and fine chemical intermediates.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting complex cyclic structures.
• Agrochemical Research: Used in the development of new pesticides and herbicides, where the bromine atom acts as a handle for further functionalization.
• Material Science: Employed in the synthesis of specialized monomers and polymers, contributing to materials with unique optical or electronic properties.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry, including catalysis research and the development of new synthetic pathways.
• Fine Chemical Synthesis: Utilized in the multi-step production of complex fragrance, flavor, and dye intermediates.

Basic Information

Product Name	Cyclopentene, 4-Bromo-3-Methoxy- (9Ci)
CAS No.	474808-12-3
Molecular Formula	C6H9BrO
Molecular Weight	177.04 g/mol
Synonyms	4-Bromo-3-methoxycyclopentene; 3-Methoxy-4-bromocyclopentene; 4-Bromo-3-methoxy-1-cyclopentene; 1-Cyclopentene, 4-bromo-3-methoxy-; (9CI)
EINECS	Contact for details

Quality Control

Our Cyclopentene, 4-Bromo-3-Methoxy- (9Ci) is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic analysis (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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