Description

5-Chloro-2-Methylbenzoselenazole is a specialized organoselenium heterocyclic compound that serves as a critical building block in advanced chemical synthesis. This high-purity intermediate is valued for its unique selenium-containing benzoselenazole core, which imparts distinct electronic and photophysical properties. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel therapeutic agents, particularly those targeting selenoenzyme pathways or requiring specific heterocyclic scaffolds.
• Agrochemical Research: Used in developing new generations of fungicides and herbicides where the selenium moiety can enhance biological activity.
• Organic Light-Emitting Diodes (OLEDs): Acts as an electron-transport material or a host/dopant in the fabrication of efficient OLED devices due to its optoelectronic characteristics.
• Coordination Chemistry & Catalysis: Serves as a versatile ligand for transition metals, forming complexes used in catalytic processes and materials science.
• Dye & Pigment Synthesis: Intermediate for producing specialized selenium-containing dyes and pigments with unique colorfastness or infrared properties.
• Academic & Industrial R&D: Fundamental reagent for exploring new reactions in organoselenium chemistry and synthesizing novel chemical entities.

Basic Information

Product Name	5-Chloro-2-Methylbenzoselenazole
CAS No.	2946-15-8
Molecular Formula	C8H6ClNSe
Molecular Weight	232.56 g/mol
Synonyms	2-Methyl-5-chlorobenzoselenazole; 5-Chloro-2-methyl-1,3-benzoselenazole; 5-Chloro-2-methylbenzoselenazole; Benzoselenazole, 5-chloro-2-methyl-; 2946-15-8; NSC 403119; 5-Chloro-2-methyl-benzo[d]selenazole
EINECS	220-957-7

Quality Control

Our 5-Chloro-2-Methylbenzoselenazole is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as identity, assay, and impurity profiles. We adhere to relevant industry standards and can provide material tailored to specific research or production grade requirements upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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