Description

4-Ethoxycarbonylthiolan-3-One is a specialized sulfur-containing heterocyclic compound with a carbonyl ester functional group. This unique structure makes it a valuable high-purity building block and key intermediate in advanced organic synthesis. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of complex drug molecules, particularly those containing thiolane or modified proline scaffolds.
• Agrochemical Synthesis: Used in the research and production of new-generation herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing sulfur heterocycles and exploring novel chemical spaces.
• Material Science Research: Investigated as a monomer or modifying agent for specialty polymers and advanced materials.
• Chemical Reference Standard: Supplied as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	4-Ethoxycarbonylthiolan-3-One
CAS No.	78647-31-1
Molecular Formula	C7H10O3S
Molecular Weight	174.22 g/mol
Synonyms	3-Thiolanone, 4-(ethoxycarbonyl)-; Ethyl 3-oxotetrahydrothiophene-4-carboxylate; 4-Carbethoxy-3-thiolanone; 3-Oxo-4-thiolanecarboxylic acid ethyl ester; 4-(Ethoxycarbonyl)thiolan-3-one; Tetrahydro-3-oxothiophene-4-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

We supply 4-Ethoxycarbonylthiolan-3-One in high-purity grades suitable for research and commercial synthesis. Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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 room temperature (15-25°C). Keep away from strong oxidizing agents.

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	≤ 10 ppm

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