Description

3-Chlorodihydro-5-Methylfuran-2(3H)-One is a versatile heterocyclic building block and key chiral intermediate in organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking high-purity intermediates for scalable synthesis.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and antiviral research.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, leveraging its reactive chlorinated lactone structure.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Academic & Research: Employed in methodological studies and the development of new asymmetric synthesis routes in university and institutional labs.
• Material Science: Potential monomer or modifying agent for specialized polymers with unique thermal or optical properties.

Basic Information

Product Name	3-Chlorodihydro-5-Methylfuran-2(3H)-One
CAS No.	33563-62-1
Molecular Formula	C5H7ClO2
Molecular Weight	134.56 g/mol
Synonyms	3-Chloro-5-methyl-2(3H)-furanone; 3-Chloro-5-methyl-dihydrofuran-2-one; 5-Methyl-3-chlorodihydrofuran-2(3H)-one; (RS)-3-Chloro-5-methylfuran-2(3H)-one; γ-Chloro-γ-methylbutyrolactone; 3-Chloro-5-methyl-2-oxotetrahydrofuran
EINECS	Contact for details

Quality Control

Every batch of 3-Chlorodihydro-5-Methylfuran-2(3H)-One is produced under strict quality management systems. We employ advanced analytical techniques including GC, HPLC, and NMR to ensure identity, purity, and consistency. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) with detailed chromatographic data are available upon request to support your regulatory and R&D needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Optical Purity (Chiral HPLC)	Contact for details
Water Content (KF)	≤ 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.