Description

3-Methylbenzo[B]Selenophene-2-Carboxylic Acid Methyl Ester is a high-purity organoselenium building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of novel materials and active pharmaceutical ingredients (APIs), particularly those requiring the unique electronic and redox properties of selenium heterocycles. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, especially those targeting oxidative stress pathways or requiring selenium-based pharmacophores.
• Organic Electronic Materials: Used in the research and development of organic semiconductors, OLED (Organic Light-Emitting Diode) materials, and photoconductors due to the electron-rich selenophene core.
• Agrochemical Synthesis: Acts as a building block for creating new fungicides or herbicides where the selenophene moiety can enhance biological activity.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis, leveraging selenium's coordination chemistry with transition metals.
• Chemical Research: A valuable reagent for methodological studies in heterocyclic and organoselenium chemistry, enabling new ring-forming reactions.
• Material Science Additive: Investigated for use as a doping agent or modifying agent in polymer and composite materials to alter electrical or optical properties.

Basic Information

Item	Detail
Product Name	3-Methylbenzo[B]Selenophene-2-Carboxylic Acid Methyl Ester
CAS No.	20984-13-8
Molecular Formula	C11H10O2Se
Molecular Weight	253.16 g/mol
Synonyms	Methyl 3-Methylbenzo[b]selenophene-2-carboxylate; 3-Methylbenzoselenophene-2-carboxylic Acid Methyl Ester; 2-Methoxycarbonyl-3-methylbenzoselenophene; 3-Methyl-1-benzoselenophene-2-carboxylic acid methyl ester; Benzo[b]selenophene-2-carboxylic acid, 3-methyl-, methyl ester
EINECS	Contact for details

Quality Control

Our 3-Methylbenzo[B]Selenophene-2-Carboxylic Acid Methyl Ester is produced under strict quality management protocols. 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 applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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