Description

1(3H)-Isobenzofuranone,4-Methyl-(9Ci) CAS NO 2211-83-8 is a specialized organic compound belonging to the isobenzofuranone class, serving as a valuable chemical intermediate. Its significance lies in its versatile lactone structure, which makes it a key building block for synthesizing more complex molecules in advanced research and industrial chemistry. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical sectors seeking high-purity intermediates for novel compound development.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a building block for dyes, pigments, and other performance chemicals.
• Material Science Research: Investigated as a monomer or modifier in the development of specialty polymers and advanced materials.
• Academic & Industrial R&D: Employed in organic synthesis laboratories for methodological studies and the creation of new chemical libraries.

Basic Information

Product Name	1(3H)-Isobenzofuranone,4-Methyl-(9Ci)
CAS No.	2211-83-8
Molecular Formula	C9H8O2
Molecular Weight	148.16 g/mol
Synonyms	4-Methylphthalide; 4-Methyl-1(3H)-isobenzofuranone; 4-Methyl-3H-isobenzofuran-1-one; 4-Methylphthalic anhydride lactone; 4-Methyl-1,3-dihydroisobenzofuran-1-one; NSC 406113; 4-Methyl-1-oxo-1,3-dihydroisobenzofuran
EINECS	Contact for details

Quality Control

Our 1(3H)-Isobenzofuranone,4-Methyl-(9Ci) is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results for purity, identity, and impurities is provided with every shipment and is available upon request.

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). Keep away from incompatible materials such as strong bases and strong oxidizing agents.

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.