Description

7-Nitro-1(3H)-Isobenzofuranone is a specialized heterocyclic organic compound featuring a nitro-substituted phthalide core structure. This compound serves as a valuable synthetic intermediate and building block in advanced organic synthesis, particularly for the construction of complex nitrogen-containing heterocycles. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, especially those targeting neurological and oncological pathways.
• Agrochemical Synthesis: Building block for developing new herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Fine Chemical Production: Used in the manufacture of dyes, pigments, and advanced organic materials requiring specific nitro-aromatic functionalities.
• Academic & Industrial Research: Serves as a critical reagent in methodological studies and for creating libraries of complex molecules in medicinal chemistry.
• Material Science: Potential monomer or modifier in the synthesis of specialized polymers and high-performance resins.

Basic Information

Product Name	7-Nitro-1(3H)-Isobenzofuranone
CAS No.	42760-46-3
Molecular Formula	C8H5NO4
Molecular Weight	179.13 g/mol
Synonyms	7-Nitrophthalide; 7-Nitro-1(3H)-isobenzofuranone; 7-Nitro-3H-isobenzofuran-1-one; 1(3H)-Isobenzofuranone, 7-nitro-; 7-Nitro-3H-2-benzofuran-1-one; 7-Nitro-1-oxo-1,3-dihydro-isobenzofuran; 7-Nitro-3-hydroxyphthalide
EINECS	Contact for details

Quality Control

Our 7-Nitro-1(3H)-Isobenzofuranone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide full traceability and detailed Certificates of Analysis (COA) for every shipment, ensuring consistency and compliance with your research or production specifications.

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 heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	168 - 172 °C
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.