Description

Cyclobutene, 3-Bromo-1-Methyl- (9Ci) is a specialized brominated cyclobutene derivative, a valuable building block in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of complex molecular architectures, particularly in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and material science industries for constructing novel cyclic frameworks.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing strained ring systems.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides where the brominated cyclobutene moiety imparts specific biological activity.
• Material Science & Polymer Chemistry: Serves as a monomer or cross-linking agent for creating polymers with unique thermal and mechanical properties derived from the cyclobutene ring.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, ring-opening polymerizations, and other cycloaddition reactions to construct complex, multi-cyclic organic compounds.
• Ligand & Catalyst Development: Utilized in the preparation of specialized ligands for transition metal catalysis, enabling novel synthetic transformations.
• Academic & Industrial R&D: A key reagent for methodological studies and exploring new reaction pathways in synthetic organic chemistry laboratories worldwide.

Basic Information

Product Name	Cyclobutene, 3-Bromo-1-Methyl- (9Ci)
CAS No.	93080-14-9
Molecular Formula	C5H7Br
Molecular Weight	147.01 g/mol
Synonyms	3-Bromo-1-methylcyclobutene; 1-Methyl-3-bromocyclobutene; 3-Bromocyclobutene, 1-methyl-; 3-Bromo-1-methyl-1-cyclobutene; 1-Methyl-3-bromocyclobut-1-ene; Bromomethylcyclobutene; (3-Bromocyclobuten-1-yl)methane
EINECS	Contact for details

Quality Control

Our Cyclobutene, 3-Bromo-1-Methyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, NMR, and HPLC, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your research and development specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed under an inert atmosphere to prevent degradation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Purity (HPLC)	≥ 94.0%
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.