Description

2,3-Dihydro-6,8-Dimethyl-4H-1-Benzothiopyran-4-One is a high-purity organic sulfur heterocycle, serving as a critical building block in advanced chemical synthesis. Its unique fused benzothiopyranone structure makes it a valuable intermediate for developing novel pharmaceuticals and functional materials. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries seeking to introduce sulfur-containing motifs into complex molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the thiopyranone core.
• Material Science: Serves as a monomer or functional additive in the creation of specialty polymers, liquid crystals, or organic semiconductors.
• Chemical Synthesis Building Block: Employed in organic synthesis for constructing complex heterocyclic systems via reactions such as cyclizations, cross-couplings, and functional group transformations.
• Dye & Pigment Intermediate: Acts as a precursor for synthesizing sulfur-containing dyes and pigments with specific light-absorption properties.
• Academic & Industrial R&D: A valuable reagent for research institutions and corporate R&D departments exploring new chemical entities and reaction pathways.

Basic Information

Product Name	2,3-Dihydro-6,8-Dimethyl-4H-1-Benzothiopyran-4-One
CAS No.	872283-26-6
Molecular Formula	C11H12OS
Molecular Weight	192.28 g/mol
Synonyms	6,8-Dimethyl-2,3-dihydro-4H-thiochromen-4-one; 6,8-Dimethyl-2,3-dihydro-1-benzothiopyran-4(4H)-one; 4H-1-Benzothiopyran-4-one, 2,3-dihydro-6,8-dimethyl-; 6,8-Dimethylthiochroman-4-one; 2,3-Dihydro-6,8-dimethyl-4H-thiochromen-4-one
EINECS	Contact for details

Quality Control

Our 2,3-Dihydro-6,8-Dimethyl-4H-1-Benzothiopyran-4-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. 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
Purity (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.