Description

Ethyl 5-Oxothiepane-4-Carboxylate is a high-purity organic building block and heterocyclic compound of significant interest in advanced chemical synthesis. This compound matters as a versatile intermediate for constructing complex molecular architectures, particularly in pharmaceutical research and fine chemical manufacturing. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel therapeutic agents, particularly those containing the thiepane or related sulfur-heterocycle scaffolds.
• Agrochemical Synthesis: Serves as a precursor in the design and synthesis of new crop protection agents and herbicides.
• Chemical Research: Used as a versatile building block in organic synthesis for constructing complex, sulfur-containing heterocycles and exploring new reaction methodologies.
• Material Science Precursor: Potential intermediate in the development of specialty polymers or functional materials with specific electronic or binding properties.
• Reference Standard: Supplied as a high-purity analytical standard for quality control and method development in analytical laboratories.
• Custom Synthesis: Available for contract manufacturing and custom chemical synthesis projects requiring this specific molecular framework.

Basic Information

Product Name	Ethyl 5-Oxothiepane-4-Carboxylate
CAS No.	925218-54-8
Molecular Formula	C9H14O3S
Molecular Weight	202.27 g/mol
Synonyms	Ethyl 5-oxothiepane-4-carboxylate; 4-Thiepanecarboxylic acid, 5-oxo-, ethyl ester; 5-Oxothiepane-4-carboxylic acid ethyl ester; Ethyl 5-oxo-4-thiepanecarboxylate; 4-Carbethoxy-5-oxothiepane; 925218-54-8; 5-Oxo-thiepane-4-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 5-Oxothiepane-4-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality parameters. Our commitment to quality 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 place at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Residual Solvents (GC)	Complies with ICH guidelines
Water Content (KF)	≤ 0.5%

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