Description

Benzeneethanehydrazonoyl Chloride, 4-Chloro-α-Oxo- (9Ci) is a specialized organic intermediate of significant interest in advanced chemical synthesis. This compound matters for its role as a key building block in the development of complex molecules, particularly in pharmaceutical and agrochemical research. It is needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and crop protection industries seeking to introduce specific hydrazonoyl chloride functionalities into target structures. The CAS number for this product is 277298-60-9.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with heterocyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its reactive chloride and carbonyl groups.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex molecules, including dyes, pigments, and functional materials.
• Cross-Coupling Reactions: Serves as an electrophilic partner in various metal-catalyzed cross-coupling reactions to form new carbon-carbon or carbon-heteroatom bonds.
• Ligand and Catalyst Development: Acts as a starting material for the preparation of novel chelating ligands and organocatalysts.

Basic Information

Product Name	Benzeneethanehydrazonoyl Chloride, 4-Chloro-α-Oxo- (9Ci)
CAS No.	277298-60-9
Molecular Formula	C8H6Cl2N2O
Molecular Weight	217.05 g/mol
Synonyms	4-Chloro-α-oxobenzeneethanehydrazonoyl Chloride; 2-(4-Chlorophenyl)-2-oxoacetaldehyde N-Chloroimine; (4-Chlorophenyl)(chloroimino)acetaldehyde; 4-Chloro-α-oxo-Benzeneacetonitrile N-Chloride; 277298-60-9; 4-Chloro-α-oxobenzeneacetonitrile chloride; (4-Chlorophenyl)(chloroimino)ethanal
EINECS	Contact for details

Quality Control

Our Benzeneethanehydrazonoyl Chloride, 4-Chloro-α-Oxo- (9Ci) is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity (typically by HPLC/NMR), assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

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.