Description

2,3-Dihydro-2-Methyl-4H-1-Benzothiopyran-4-One CAS NO 826-86-8 is a specialized organic sulfur compound belonging to the benzothiopyranone class, serving as a versatile chemical intermediate. Its value lies in its unique fused-ring structure, which provides a key scaffold for synthesizing more complex molecules in advanced research and development. This product is essential for pharmaceutical chemists and agrochemical researchers seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Organic Synthesis: Acts as a precursor for synthesizing complex sulfur-containing heterocycles and fused-ring systems in academic and industrial R&D.
• Material Science: Investigated as a monomer or additive for creating specialized polymers with unique optical or electronic properties.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	2,3-Dihydro-2-Methyl-4H-1-Benzothiopyran-4-One
CAS No.	826-86-8
Molecular Formula	C10H10OS
Molecular Weight	178.25 g/mol
Synonyms	2-Methyl-2,3-dihydro-4H-1-benzothiopyran-4-one; 2-Methylchroman-4-thione; 2-Methylthiochroman-4-one; 2-Methyl-4-thiochromanone; 2-Methyl-2,3-dihydro-1-benzothiopyran-4(4H)-one; 4H-1-Benzothiopyran-4-one, 2,3-dihydro-2-methyl-; 826-86-8
EINECS	Contact for details

Quality Control

Our 2,3-Dihydro-2-Methyl-4H-1-Benzothiopyran-4-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment, detailing all specified parameters. We support custom synthesis and can tailor purity specifications to meet your specific R&D or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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