Description

p-Bromobenzeneselenonic Acid Methyl Ester is a specialized organoselenium compound that serves as a versatile building block in advanced chemical synthesis. Its value lies in its unique selenium-containing functional group, which enables critical transformations in the development of pharmaceuticals and functional materials. This high-purity intermediate is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries seeking to incorporate selenium motifs into novel molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of selenium-containing drug candidates and active pharmaceutical ingredients (APIs) for therapeutic applications.
• Agrochemical Synthesis: Used in the research and development of novel fungicides, herbicides, and other crop protection agents that leverage selenium chemistry.
• Material Science Research: Building block for creating organoselenium polymers, liquid crystals, and advanced functional materials with specific electronic or optical properties.
• Catalyst & Ligand Development: Serves as a precursor for synthesizing novel selenium-based catalysts and ligands used in asymmetric synthesis and other catalytic processes.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying selenoprotein function and selenium metabolism in biological systems.
• Organic Synthesis Reagent: Acts as an electrophilic selenium transfer reagent or a protected selenonic acid derivative in complex multi-step synthetic routes.

Basic Information

Product Name	p-Bromobenzeneselenonic Acid Methyl Ester
CAS No.	25633-05-0
Molecular Formula	C7H7BrO3Se
Molecular Weight	282.00 g/mol
Synonyms	Methyl p-Bromobenzeneselenonate; 4-Bromobenzeneselenonic Acid Methyl Ester; Methyl 4-Bromobenzeneselenonate; p-Bromophenylselenonic Acid Methyl Ester; (4-Bromophenyl)selenonic Acid Methyl Ester; Methyl (4-Bromophenyl)selenonate; Benzeneselenonic Acid, 4-bromo-, Methyl Ester
EINECS	Contact for details

Quality Control

Our p-Bromobenzeneselenonic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing all specifications 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, well-ventilated place at room temperature (15-25°C). This compound is light-sensitive and easily oxidized; for long-term storage, it is recommended to keep the container under an inert atmosphere such as nitrogen or argon to maintain purity and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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