Description

5-Isobenzofurancarboxaldehyde,1,3-Dihydro-3-Oxo-(9Ci) is a specialized heterocyclic organic compound featuring a fused isobenzofuran core structure. This compound serves as a valuable high-purity chemical intermediate for advanced synthesis, particularly in the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought by pharmaceutical R&D and fine chemical synthesis sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) and anti-inflammatory pathways.
• Organic Synthesis Reagent: Used in advanced organic reactions, including cycloadditions and as a precursor for fused heterocyclic systems.
• Material Science Research: Serves as a monomer or precursor in the development of specialty polymers and organic electronic materials.
• Agrochemical Synthesis: Intermediate for creating advanced active ingredients with specific biological activity.
• Academic & Industrial R&D: Utilized in research laboratories for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	5-Isobenzofurancarboxaldehyde,1,3-Dihydro-3-Oxo-(9Ci)
CAS No.	452978-42-6
Molecular Formula	C9H6O3
Molecular Weight	162.14 g/mol
Synonyms	1,3-Dihydro-3-oxo-5-isobenzofurancarboxaldehyde; 3-Oxo-1,3-dihydroisobenzofuran-5-carbaldehyde; 5-Formyl-1,3-dihydroisobenzofuran-3-one; 5-Carbaldehyde-1,3-dihydroisobenzofuran-3-one; Isobenzofuran-5-carboxaldehyde, 1,3-dihydro-3-oxo-; 452978-42-6; (9CI) Index Name
EINECS	Contact for details

Quality Control

Our 5-Isobenzofurancarboxaldehyde,1,3-Dihydro-3-Oxo-(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency suitable for research and synthesis applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Any single unknown impurity	≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines

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