Description

3-Pentylideneisobenzofuran-1(3H)-One is a specialized organic compound belonging to the isobenzofuranone class, serving as a key synthetic intermediate. Its unique fused-ring structure with an exocyclic double bond makes it a valuable building block for constructing complex molecular architectures. This compound is primarily sought after by research and development chemists in the pharmaceutical and advanced materials sectors for applications in medicinal chemistry and functional polymer synthesis.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for exploring compounds with potential biological activity.
• Organic Synthesis Building Block: Serves as a versatile precursor for Diels-Alder reactions and other cycloadditions to create complex polycyclic structures.
• Materials Science Research: Investigated as a monomer or precursor for developing specialty polymers and organic electronic materials.
• Agrochemical Development: Employed in research for creating new crop protection agents and plant growth regulators.
• Academic & Industrial R&D: Utilized in chemical research laboratories for methodological studies and the development of new synthetic pathways.

Basic Information

Product Name	3-Pentylideneisobenzofuran-1(3H)-One
CAS No.	90965-68-7
Molecular Formula	C₁₃H₁₄O₂
Molecular Weight	202.25 g/mol
Synonyms	3-Pentylidene-1(3H)-isobenzofuranone; 3-(Pentylidene)phthalide; 1(3H)-Isobenzofuranone, 3-pentylidene-; Phthalide, 3-pentylidene-; 3-Pentylidenephthalide; 90965-68-7; 3-Pentylidene-1,3-dihydro-2-benzofuran-1-one
EINECS	Contact for details

Quality Control

Our 3-Pentylideneisobenzofuran-1(3H)-One is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis to ensure it meets rigorous standards for research and development use. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residual Solvents (GC)	Meets ICH guidelines

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