Description

3-Methoxybenzo[B]Selenophene-2-Carboxylic Acid Ethyl Ester is a high-purity, specialized organoselenium building block of significant interest in advanced chemical synthesis. This compound matters for its role as a key precursor in the development of novel materials and active pharmaceutical ingredients (APIs), particularly those targeting unique biological pathways. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for constructing complex heterocyclic frameworks.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, especially those exploring selenium-containing heterocycles for therapeutic applications.
• Agrochemical Research: Used in the development of new generation pesticides and herbicides where the benzo[b]selenophene core imparts specific biological activity.
• Organic Electronic Materials: Acts as a building block for π-conjugated systems in the research of organic semiconductors, OLEDs, and photovoltaics.
• Ligand Synthesis: Employed in the preparation of specialized selenium-containing ligands for catalysis and coordination chemistry.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes to study selenium metabolism and redox biology.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new reactions in organoselenium chemistry.

Basic Information

Product Name	3-Methoxybenzo[B]Selenophene-2-Carboxylic Acid Ethyl Ester
CAS No.	39857-44-8
Molecular Formula	C₁₂H₁₂O₃Se
Molecular Weight	283.18 g/mol
Synonyms	Ethyl 3-Methoxybenzo[b]selenophene-2-carboxylate; 3-Methoxybenzoselenophene-2-carboxylic Acid Ethyl Ester; 2-Carbethoxy-3-methoxybenzoselenophene; Ethyl 3-Methoxy-1-benzoselenophene-2-carboxylate; 39857-44-8; Benzo[b]selenophene-2-carboxylic acid, 3-methoxy-, ethyl ester
EINECS	Contact for details

Quality Control

Our 3-Methoxybenzo[B]Selenophene-2-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat and incompatible materials. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥97.0% (Area Percent)
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.