Description

2H-Benzimidazol-2-One,4-Chloro-1,3-Dihydro-(9Ci) is a versatile chlorinated benzimidazolone derivative, a key heterocyclic building block in advanced organic synthesis. Its value lies in its role as a critical intermediate for creating complex molecules with targeted biological and material properties. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to synthesize novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a core scaffold for the synthesis of novel drug candidates, particularly in developing kinase inhibitors, antiviral agents, and other therapeutic small molecules.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides, leveraging its heterocyclic structure for bioactivity.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a precursor or dopant in the development of electron-transporting or host materials for high-efficiency display and lighting technologies.
• Dye and Pigment Manufacturing: Employed in the synthesis of specialized dyes and pigments, where the chlorinated benzimidazolone structure imparts specific color fastness and stability properties.
• Polymer Modification: Utilized as a monomer or additive to introduce heterocyclic functionalities into polymers, enhancing thermal stability or specific chemical resistance.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical reactions and synthesizing libraries of compounds for high-throughput screening.

Basic Information

Item	Details
Product Name	2H-Benzimidazol-2-One,4-Chloro-1,3-Dihydro-(9Ci)
CAS No.	5918-97-8
Molecular Formula	C7H5ClN2O
Molecular Weight	168.58 g/mol
Synonyms	4-Chloro-1,3-dihydro-2H-benzimidazol-2-one; 4-Chloro-2-benzimidazolinone; 4-Chloro-1H-benzo[d]imidazol-2(3H)-one; 4-Chloro-2-hydroxybenzimidazole; 4-Chlorobenzimidazolone; NSC 403697; 4-Chloro-2-benzimidazolinon; 4-Chloro-2-oxobenzimidazoline
EINECS	227-667-9

Quality Control

Our 2H-Benzimidazol-2-One,4-Chloro-1,3-Dihydro-(9Ci) is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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