Description

3(2H)-Furanone, Dihydro-5-Methyl- is a versatile lactone compound that serves as a valuable intermediate and building block in organic synthesis. Its unique structure makes it a key precursor for the development of flavor and fragrance components, pharmaceutical actives, and advanced materials. This high-purity chemical is essential for R&D chemists and production managers in the flavor & fragrance, pharmaceutical, and fine chemical industries seeking reliable, high-quality intermediates for complex syntheses.

Application

• Flavor and Fragrance Industry: A crucial intermediate for synthesizing lactone-based flavor compounds, contributing to creamy, buttery, and coconut-like notes in food products and perfumes.
• Pharmaceutical Synthesis: Serves as a key chiral building block in the production of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Organic Synthesis & Research: Used as a versatile reagent for constructing heterocyclic compounds and in various name reactions requiring a functionalized lactone.
• Agrochemical Intermediates: Employed in the synthesis of certain herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or co-monomer for creating specialized polyesters and other polymers with specific degradation or functional properties.

Basic Information

Product Name	3(2H)-Furanone, Dihydro-5-Methyl-
CAS No.	34003-72-0
Molecular Formula	C5H8O2
Molecular Weight	100.12 g/mol
Synonyms	5-Methyldihydrofuran-2(3H)-one; 5-Methyl-γ-butyrolactone; γ-Valerolactone; 4-Pentanolide; 5-Methylbutyrolactone; 5-Methyl-dihydro-2(3H)-furanone; 5-Methyloxolan-2-one
EINECS	Contact for details

Quality Control

Our 3(2H)-Furanone, Dihydro-5-Methyl- is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment, detailing all relevant specifications. We adhere to cGMP principles where applicable to meet the stringent requirements of our global customer base in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.430 - 1.435
Specific Gravity (20°C)	1.045 - 1.055

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