Description

3-Methyl-2,3-Dihydrobenzofuran-2-One is a versatile heterocyclic lactone compound that serves as a critical intermediate in advanced organic synthesis. Its unique fused-ring structure makes it a valuable building block for creating complex molecules with specific functional properties. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing new active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Building block for developing new-generation herbicides and fungicides with enhanced efficacy.
• Fragrance and Flavor Chemistry: Used in the research and development of complex aroma chemicals due to its lactone structure.
• Material Science Research: Serves as a monomer or modifier in the study of specialty polymers and advanced organic materials.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for constructing benzofuran and dihydrofuranone scaffolds.

Basic Information

Product Name	3-Methyl-2,3-Dihydrobenzofuran-2-One
CAS No.	32267-71-3
Molecular Formula	C9H8O2
Molecular Weight	148.16 g/mol
Synonyms	3-Methyl-2,3-dihydrobenzofuran-2-one; 3-Methylcoumaran-2-one; 3-Methyl-2-coumaranone; 2(3H)-Benzofuranone, 3-methyl-; 3-Methyl-2-benzofuranone; 3-Methylphthalide; 3-Methyl-1(3H)-isobenzofuranone
EINECS	Contact for details

Quality Control

Our 3-Methyl-2,3-Dihydrobenzofuran-2-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability.

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%

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