Description

Cyclopropane, 1-Bromo-2-Ethenyl-3-Methyl-, (1R,2S,3R)-Rel- (9Ci) is a high-purity, stereochemically defined cyclopropane derivative, serving as a critical chiral building block in advanced organic synthesis. Its value lies in the unique three-membered ring structure, which introduces significant strain and stereochemical complexity, enabling the construction of sophisticated molecular architectures. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, particularly for developing novel active ingredients and exploring new chemical spaces.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), especially in stereoselective synthesis.
• Agrochemical Synthesis: Used in the creation of advanced crop protection agents and herbicides where specific stereochemistry is required for biological activity.
• Material Science Research: Acts as a precursor for specialized polymers and advanced materials with tailored properties.
• Organic Methodology Development: Employed in academic and industrial R&D to develop new catalytic cycles and ring-opening/functionalization reactions.
• Ligand and Catalyst Preparation: Serves as a scaffold for synthesizing novel chiral ligands and organocatalysts for asymmetric synthesis.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex fragrance and flavor compounds.

Basic Information

Item	Details
Product Name	Cyclopropane, 1-Bromo-2-Ethenyl-3-Methyl-, (1R,2S,3R)-Rel- (9Ci)
CAS No.	681536-26-5
Molecular Formula	C6H9Br
Molecular Weight	161.04 g/mol
Synonyms	1-Bromo-2-ethenyl-3-methylcyclopropane, (1R,2S,3R)-rel-; rel-(1R,2S,3R)-1-Bromo-2-vinyl-3-methylcyclopropane; (1R,2S,3R)-1-Bromo-2-vinyl-3-methylcyclopropane (relative configuration); 681536-26-5; Bromomethylvinylcyclopropane derivative; Chiral bromocyclopropane
EINECS	Contact for details

Quality Control

Every batch of Cyclopropane, 1-Bromo-2-Ethenyl-3-Methyl-, (1R,2S,3R)-Rel- (9Ci) is produced and tested under strict quality management systems. We ensure high chiral purity and chemical integrity through advanced analytical techniques including chiral HPLC, GC, and NMR spectroscopy. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are provided with each shipment, supporting compliance with cGMP and ISO 9001 standards for research and development use.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (1R,2S,3R)
Water Content (KF)	≤ 0.5%

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