Description

Thiochroman-4-One CAS NO 3528-17-4 is a versatile heterocyclic organic compound featuring a benzothiopyranone core structure, serving as a critical synthetic intermediate in advanced organic chemistry. Its unique scaffold makes it a valuable building block for constructing complex molecules with potential biological activity. This compound is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential therapeutic agents, including central nervous system (CNS) drugs and enzyme inhibitors.
• Agrochemical Research: Building block for developing novel pesticides, herbicides, and fungicides with new modes of action.
• Material Science: Used in the research and development of organic electronic materials, such as novel ligands for metal-organic frameworks (MOFs) or components for organic semiconductors.
• Chemical Synthesis: Serves as a versatile scaffold for medicinal chemistry and combinatorial library synthesis for high-throughput screening.
• Dye & Pigment Intermediate: Potential precursor in the synthesis of specialized heterocyclic dyes and organic pigments.
• Academic & Contract Research: Fundamental research reagent in universities and CROs (Contract Research Organizations) for studying heterocyclic chemistry and reaction mechanisms.

Basic Information

Product Name	Thiochroman-4-One
CAS No.	3528-17-4
Molecular Formula	C9H8OS
Molecular Weight	164.22 g/mol
Synonyms	4-Thiochromanone; 4-Oxothiochroman; 3,4-Dihydro-1-benzothiopyran-4-one; 1-Thiochroman-4-one; Benzothiopyran-4-one; Dihydrobenzothiopyran-4-one; 4H-1-Benzothiopyran-4-one; 3528-17-4
EINECS	222-548-4

Quality Control

Our Thiochroman-4-One is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including HPLC, GC, and NMR for comprehensive characterization and impurity profiling. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming specifications for identity, purity, and related substances. Our quality system supports compliance with cGMP and ISO standards for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details
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.