Description

3-[3-Oxoisobenzofuran-1(3H)-Ylidene]-1(3H)-Isobenzofuranone is a high-purity organic compound belonging to the class of isobenzofuranones. This specialized chemical serves as a critical intermediate and building block in advanced organic synthesis, valued for its unique fused heterocyclic structure. It is primarily sought by research and development laboratories, fine chemical manufacturers, and pharmaceutical companies for the development of novel materials and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex heterocyclic compounds with potential biological activity.
• Organic Synthesis Building Block: Used in the construction of complex molecular architectures for research and material science.
• Dye and Pigment Research: Acts as a core structure in the development of novel organic colorants and functional dyes.
• Material Science: Investigated for use in the synthesis of organic electronic materials and specialty polymers.
• Chemical Research & Development: Employed in academic and industrial R&D for methodological studies and new reaction development.

Basic Information

Product Name	3-[3-Oxoisobenzofuran-1(3H)-Ylidene]-1(3H)-Isobenzofuranone
CAS No.	482-23-5
Molecular Formula	C16H8O4
Molecular Weight	264.23 g/mol
Synonyms	1,3-Isobenzofurandione, 1-(1,3-dihydro-3-oxo-1-isobenzofuranylidene)-; 1,1'-(1,3-Dioxo-1,3-dihydroisobenzofuran-1,3-diylidene)bis(1,3-dihydroisobenzofuran); 1,1'-(1,3-Dioxo-1,3-dihydroisobenzofuran-1,3-diylidene)diisobenzofuran; Isobenzofuran-1(3H)-one, 3-[3-oxoisobenzofuran-1(3H)-ylidene]-; 3-(3-Oxoisobenzofuran-1(3H)-ylidene)isobenzofuran-1(3H)-one; 3-(3-Oxo-1(3H)-isobenzofuranylidene)-1(3H)-isobenzofuranone; 3,3'-(1,3-Dioxo-1,3-dihydroisobenzofuran-1,3-diylidene)bis(1(3H)-isobenzofuranone); 482-23-5
EINECS	207-579-5

Quality Control

Our 3-[3-Oxoisobenzofuran-1(3H)-Ylidene]-1(3H)-Isobenzofuranone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Yellow to orange 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.