Description

2,3-Dihydro-4H-1-Benzoselenin-4-One is a specialized organoselenium compound of significant interest in advanced chemical synthesis. This heterocyclic building block is valued for its unique selenium-containing structure, which enables the development of novel materials and active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for use as a key synthetic intermediate.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those exploring selenium's biological activity.
• Agrochemical Research: Used in developing new classes of fungicides, herbicides, and plant growth regulators.
• Material Science: Acts as a building block for selenium-containing polymers, organic semiconductors, and advanced catalytic systems.
• Chemical Synthesis: Employed as a versatile reagent for introducing the benzoseleninone moiety into more complex molecular architectures.
• Academic & R&D: Utilized in fundamental research to study the properties and reactivity of organoselenium compounds.

Basic Information

Product Name	2,3-Dihydro-4H-1-Benzoselenin-4-One
CAS No.	4671-90-3
Molecular Formula	C9H8OSe
Molecular Weight	211.12 g/mol
Synonyms	4H-1-Benzoselenin-4-one, 2,3-dihydro-; 2,3-Dihydro-1-benzoselenin-4-one; 1-Benzoselenin-4-one, 2,3-dihydro-; Benz[c]isoselenazol-3(2H)-one (related structure); Selenochroman-4-one
EINECS	Contact for details

Quality Control

Our production of 2,3-Dihydro-4H-1-Benzoselenin-4-One adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity, the product should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation and stored away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%

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