Description

p-Chlorobenzeneselenonic Acid Methyl Ester is a specialized organoselenium compound with the CAS number 25633-04-9. This chemical serves as a valuable synthetic intermediate and reagent, particularly in the construction of complex molecules and materials where selenium functionality is required. It is primarily utilized by research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors for applications such as catalysis, ligand synthesis, and the development of novel chemical entities.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs) containing selenium.
• Catalysis & Ligand Synthesis: Acts as a precursor for selenium-based ligands and catalysts used in organic transformations.
• Agrochemical Research: Employed in the development of new pesticides and herbicides with unique modes of action.
• Material Science: Serves as a building block for selenium-containing polymers and advanced functional materials.
• Chemical Synthesis: A versatile reagent for introducing selenium moieties into aromatic systems for further functionalization.
• Academic & Industrial R&D: A key compound for exploratory research in organoselenium chemistry and methodology development.

Basic Information

Product Name	p-Chlorobenzeneselenonic Acid Methyl Ester
CAS No.	25633-04-9
Molecular Formula	C7H7ClO3Se
Molecular Weight	253.55 g/mol
Synonyms	Methyl p-Chlorobenzeneselenonate; 4-Chlorobenzeneselenonic Acid Methyl Ester; Methyl 4-Chlorobenzeneselenonate; p-Chlorophenyl Selenonic Acid Methyl Ester; (4-Chlorophenyl)selenonic Acid Methyl Ester; Methyl (4-Chlorophenyl)selenonate; Benzeneselenonic Acid, 4-chloro-, Methyl Ester
EINECS	Contact for details

Quality Control

Our p-Chlorobenzeneselenonic Acid Methyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and spectroscopic identification, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific batch results is provided with every shipment to guarantee traceability and consistency.

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). This material is moisture-sensitive; keep the container tightly sealed under an inert atmosphere if necessary to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents	Complies with ICH guidelines

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