Description

4H-1-Benzothiopyran-4-One, 2-(Methylsulfinyl)- is a specialized sulfur-containing heterocyclic compound with a unique thiopyranone core. This high-purity intermediate is critical for advanced organic synthesis, particularly in the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides due to its bioactive thiopyranone structure.
• Material Science: Serves as a precursor for organic semiconductors, liquid crystals, and advanced polymers with specific electronic properties.
• Chemical Synthesis: Acts as a versatile synthon for constructing complex sulfur and oxygen-containing heterocycles in academic and industrial research.
• Dye & Pigment Intermediate: Utilized in the development of specialized dyes and pigments where the benzothiopyranone core contributes to color and stability.

Basic Information

Product Name	4H-1-Benzothiopyran-4-One, 2-(Methylsulfinyl)-
CAS No.	112519-51-4
Molecular Formula	C10H8O2S2
Molecular Weight	224.30 g/mol
Synonyms	2-(Methylsulfinyl)-4H-1-benzothiopyran-4-one; 2-Methylsulfinyl-4H-chromene-4-thione; 2-(Methylsulfinyl)thiochromone; 2-(Methylsulfinyl)-4H-thiochromen-4-one; 2-Methanesulfinylthiochromone; 2-Methylsulfinyl-4H-thiochromen-4-one; 2-(Methylsulfinyl)-4H-1-benzothiopyran-4-thione (tautomer); 112519-51-4
EINECS	Contact for details

Quality Control

Our 4H-1-Benzothiopyran-4-One, 2-(Methylsulfinyl)- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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