Description

Methyll-Bromo-Cyclopropanecarboxylate CAS NO 96999-01-8 is a specialized brominated cyclopropane derivative, a high-value synthetic intermediate prized for its reactive cyclopropane ring and bromine handle. This compound is critical for constructing complex molecular architectures in advanced organic synthesis and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications such as cyclopropanation reactions and the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those requiring a cyclopropane moiety for bioactivity or metabolic stability.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where the cyclopropane structure can confer specific biological activity.
• Advanced Material Precursor: Serves as a monomer or cross-linking agent in the development of specialty polymers and functional materials.
• Organic Synthesis Reagent: Employed in cyclopropanation reactions, ring-opening polymerizations, and as a versatile electrophile in C-C bond-forming reactions.
• Chemical Research & Development: Essential for academic and industrial labs exploring new synthetic methodologies and reaction pathways involving strained ring systems.
• Ligand and Catalyst Development: Used to create novel chiral ligands or organocatalysts for asymmetric synthesis.

Basic Information

Product Name	Methyll-Bromo-Cyclopropanecarboxylate
CAS No.	96999-01-8
Molecular Formula	C5H7BrO2
Molecular Weight	179.01 g/mol
Synonyms	Methyl 1-bromocyclopropanecarboxylate; 1-Bromocyclopropanecarboxylic acid methyl ester; Methyl (1-bromocyclopropyl)formate; Bromocyclopropanecarboxylic acid methyl ester; Cyclopropanecarboxylic acid, 1-bromo-, methyl ester; Methyl 1-bromocyclopropane-1-carboxylate
EINECS	Contact for details

Quality Control

Our Methyll-Bromo-Cyclopropanecarboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. Handle and store under an inert atmosphere if prolonged storage is required to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
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.