Description

Benzonitrile, 3-Ethynyl-4-Methoxy- (9Ci) is a high-purity, multi-functional aromatic nitrile building block featuring both an ethynyl and a methoxy substituent. This compound is valued for its role as a key synthetic intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and material science industries for applications in medicinal chemistry, ligand synthesis, and polymer development.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targeted therapies.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its aromatic core for bioactivity.
• Material Science & Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polymers, resins, and advanced materials.
• Ligand Synthesis for Catalysis: Employed in the preparation of sophisticated ligands for transition metal catalysts used in fine chemical synthesis.
• Organic Electronic Materials: Investigated as a precursor for constructing π-conjugated systems used in organic light-emitting diodes (OLEDs) and semiconductors.
• Chemical Biology & Probe Development: Utilized in creating molecular probes and tags for studying biological processes due to its reactive ethynyl group.

Basic Information

Product Name	Benzonitrile, 3-Ethynyl-4-Methoxy- (9Ci)
CAS No.	204919-70-0
Molecular Formula	C10H7NO
Molecular Weight	157.17 g/mol
Synonyms	3-Ethynyl-4-methoxybenzonitrile; 4-Methoxy-3-ethynylbenzonitrile; 3-Ethynyl-4-methoxy-benzonitrile; 3-Ethynyl-4-methoxybenzenecarbonitrile; 3-Ethynyl-4-methoxy-phenyl cyanide; 4-Cyano-2-ethynylanisole; 2-Ethynyl-4-cyanoanisole; Benzonitrile, 3-ethynyl-4-methoxy-
EINECS	Contact for details

Quality Control

Our Benzonitrile, 3-Ethynyl-4-Methoxy- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.