Description

Ethyl 9-Oxo-3-(Phenylsulphonyl)-9H-Thioxanthene-1-Carboxylate is a high-purity, synthetic organic compound characterized by its thioxanthene core structure. This advanced chemical intermediate is critical for research and development in pharmaceutical synthesis, particularly for creating novel active pharmaceutical ingredients (APIs). It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel therapeutic agents, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its complex heterocyclic structure.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor or dopant material in the research of advanced electronic and photonic materials due to the thioxanthene scaffold.
• Dye and Pigment Synthesis: Acts as an intermediate for producing specialized dyes and functional pigments with specific light-absorption properties.
• Academic & Industrial R&D: A valuable compound for methodological studies in organic synthesis, including cross-coupling and sulfonylation reactions.
• Chemical Reference Standard: Used as a high-purity analytical standard for quality control and regulatory testing in manufacturing processes.

Basic Information

Product Name	Ethyl 9-Oxo-3-(Phenylsulphonyl)-9H-Thioxanthene-1-Carboxylate
CAS No.	81116-48-5
Molecular Formula	C22H16O5S2
Molecular Weight	424.49 g/mol
Synonyms	Ethyl 9-oxo-3-(phenylsulfonyl)-9H-thioxanthene-1-carboxylate; 9H-Thioxanthene-1-carboxylic acid, 9-oxo-3-(phenylsulfonyl)-, ethyl ester; 3-(Phenylsulfonyl)-9-oxo-9H-thioxanthene-1-carboxylic Acid Ethyl Ester; 1-Carbethoxy-3-(phenylsulfonyl)thioxanthone; 9-Oxo-3-(phenylsulfonyl)-9H-thioxanthene-1-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 9-Oxo-3-(Phenylsulphonyl)-9H-Thioxanthene-1-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for pharmaceutical R&D. A comprehensive Certificate of Analysis (COA) detailing purity (typically ≥97% by HPLC), residual solvents, and related substances is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines

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