Description

4-Hydroxy-3,5-Dimethyl-5H-Thiophen-2-One is a specialized heterocyclic compound featuring a thiophenone core, which serves as a valuable synthetic intermediate and building block in advanced organic chemistry. Its unique structure makes it a key precursor for the development of novel pharmaceuticals, agrochemicals, and functional materials. This high-purity compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for drug discovery programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used as a key intermediate in the research and production of new-generation pesticides, herbicides, and fungicides.
• Organic Synthesis & Research: Serves as a versatile scaffold in academic and industrial R&D for constructing complex heterocyclic compounds and exploring new chemical reactions.
• Material Science: Potential precursor for the development of specialty polymers, ligands, or organic electronic materials due to its functional thiophenone structure.
• Fine Chemical Production: Employed in the multi-step synthesis of high-value, complex fine chemicals and specialty additives.

Basic Information

Product Name	4-Hydroxy-3,5-Dimethyl-5H-Thiophen-2-One
CAS No.	95603-70-6
Molecular Formula	C6H8O2S
Molecular Weight	144.19 g/mol
Synonyms	3,5-Dimethyl-4-hydroxythiophen-2(5H)-one; 4-Hydroxy-3,5-dimethyl-2(5H)-thiophenone; 2(5H)-Thiophenone, 4-hydroxy-3,5-dimethyl-; 4-Hydroxy-3,5-dimethylthiophen-2(5H)-one; 3,5-Dimethyl-4-hydroxy-2,5-dihydrothiophen-2-one
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-3,5-Dimethyl-5H-Thiophen-2-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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