Description

1(3H)-Isobenzofuranone,3-Hydroxy-5-Methyl-(9Ci) is a specialized organic compound belonging to the isobenzofuranone class, serving as a valuable synthetic intermediate and building block in advanced chemical synthesis. Its unique structure, featuring both hydroxy and methyl substituents, makes it a versatile precursor for developing complex molecules in research and industrial applications. This compound is particularly relevant for pharmaceutical R&D, agrochemical synthesis, and the production of fine chemicals where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other performance chemicals.
• Material Science Research: Employed in the development of novel polymers and organic electronic materials.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploratory organic chemistry.

Basic Information

Product Name	1(3H)-Isobenzofuranone,3-Hydroxy-5-Methyl-(9Ci)
CAS No.	63113-00-8
Molecular Formula	C9H8O3
Molecular Weight	164.16 g/mol
Synonyms	3-Hydroxy-5-methyl-1(3H)-isobenzofuranone; 5-Methyl-3-hydroxyphthalide; 3-Hydroxy-5-methylphthalide; 5-Methyl-3-hydroxy-1(3H)-isobenzofuranone; 3-Hydroxy-5-methylisobenzofuran-1(3H)-one
EINECS	Contact for details

Quality Control

Our 1(3H)-Isobenzofuranone,3-Hydroxy-5-Methyl-(9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supported by a detailed Certificate of Analysis (COA). We are committed to meeting the stringent requirements of research and industrial applications, with specifications adaptable to customer 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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