Description

(3-Oxo-1,3-Dihydro-Isobenzofuran-1-Yl)-Acetic Acid Methyl Ester is a high-purity chemical intermediate characterized by its unique isoindolinone-fused lactone structure. This compound is valued for its role as a versatile building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex heterocyclic compounds and potential active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing isoindolinone and phthalide derivatives.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	(3-Oxo-1,3-Dihydro-Isobenzofuran-1-Yl)-Acetic Acid Methyl Ester
CAS No.	3453-60-9
Molecular Formula	C11H10O5
Molecular Weight	222.19 g/mol
Synonyms	Methyl (3-oxo-1,3-dihydro-2-benzofuran-1-yl)acetate; 1-(Carboxymethyl)-3-hydroxyphthalide methyl ester; Methyl 2-(3-oxo-1,3-dihydro-2-benzofuran-1-yl)acetate; 1-(Methoxycarbonylmethyl)-3-hydroxyphthalide; Phthalide-3-acetic acid methyl ester; 3-Hydroxyphthalidylacetic acid methyl ester
EINECS	Contact for details

Quality Control

Our (3-Oxo-1,3-Dihydro-Isobenzofuran-1-Yl)-Acetic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A 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 a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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.