Description

(E)-9-Bromonon-5-En-3-Yne is a high-purity, unsaturated bromoalkyne building block of significant interest in advanced organic synthesis. This compound matters for its unique molecular architecture, featuring both a terminal alkyne and a bromoalkene group, which enables precise, sequential cross-coupling and cycloaddition reactions. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for constructing complex molecular scaffolds, including macrocycles and conjugated polymers.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of bioactive molecules, potential drug candidates, and complex natural product analogs via Sonogashira, Heck, and Suzuki-Miyaura cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and development of novel active ingredients with specific functional group arrays for crop protection.
• Material Science Precursor: Serves as a monomer or linker in the development of advanced polymers, dendrimers, and organic electronic materials with tailored optoelectronic properties.
• Chemical Biology Probe Development: Utilized in click chemistry applications (e.g., CuAAC) to create labeled probes or bioconjugates for studying biological processes.
• Academic & Industrial Research: A versatile reagent for methodological development in organic chemistry, exploring new catalytic cycles and reaction pathways.
• Liquid Crystal & OLED Research: Acts as a synthon for creating rigid, conjugated core structures essential in display and lighting technologies.

Basic Information

Product Name	(E)-9-Bromonon-5-En-3-Yne
CAS No.	58763-65-8
Molecular Formula	C9H13Br
Molecular Weight	201.10 g/mol
Synonyms	(E)-9-Bromonon-5-en-3-yne; 9-Bromo-5-nonen-3-yne, (E)-; 5-Nonen-3-yne, 9-bromo-, (5E)-; (E)-9-Bromo-5-nonen-3-yne; Bromoalkyne building block; Unsaturated bromoalkyne; Terminal bromoalkene alkyne
EINECS	Contact for details

Quality Control

Our (E)-9-Bromonon-5-En-3-Yne is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and FT-IR analysis, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment ensures the material meets the high standards required for sensitive R&D and scale-up applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Recommended storage temperature is between 2°C and 8°C (refrigerated) for long-term stability, as the compound is light-sensitive and may degrade at elevated temperatures. Keep away from strong acids and oxidizing agents. Allow the container to reach ambient temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Isomeric Purity (E/Z Ratio)	≥ 95:5 (E/Z)
Water Content (KF)	≤ 0.5%

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