Description

1(3H)-Isobenzofuranone, 3-[(3-Chlorophenyl)Methylene]-, (E)- (9Ci) is a specialized organic compound belonging to the isobenzofuranone class, valued for its role as a key synthetic intermediate in advanced chemical synthesis. Its molecular structure, featuring a chlorophenyl methylene group, makes it a versatile building block for constructing complex molecules in research and development. This high-purity compound is primarily sought by the pharmaceutical and agrochemical industries for the development of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development and production of novel pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: A versatile reagent for constructing complex heterocyclic compounds and fine chemicals in laboratory and pilot-scale processes.
• Material Science Research: Investigated as a monomer or precursor for the development of specialized polymers and advanced functional materials.
• Dye & Pigment Intermediate: Employed in the synthesis of complex organic dyes and high-performance pigments.

Basic Information

Product Name	1(3H)-Isobenzofuranone, 3-[(3-Chlorophenyl)Methylene]-, (E)- (9Ci)
CAS No.	105279-24-1
Molecular Formula	C15H9ClO2
Molecular Weight	256.68 g/mol
Synonyms	(E)-3-(3-Chlorobenzylidene)isobenzofuran-1(3H)-one; 3-[(3-Chlorophenyl)methylene]-1(3H)-isobenzofuranone; (E)-3-(3-Chlorobenzylidene)phthalide; 3-(3-Chlorobenzylidene)phthalide; (E)-3-(3-Chlorobenzylidene)-1(3H)-isobenzofuranone; 105279-24-1; (E)-3-(3-Chlorobenzylidene)phthalide
EINECS	Contact for details

Quality Control

Our 1(3H)-Isobenzofuranone, 3-[(3-Chlorophenyl)Methylene]-, (E)- (9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment 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). Keep away from incompatible materials such as strong oxidizing agents and strong bases. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Off-white to light yellow 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%
Heavy Metals	≤ 20 ppm

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