Description

6,7-Dimethoxy-Isochroman-1,3-Dione is a high-purity, specialized organic compound belonging to the class of isochroman derivatives. This chemical serves as a critical advanced pharmaceutical intermediate and a versatile building block in fine chemical synthesis. It is primarily utilized by R&D laboratories and manufacturing facilities in the pharmaceutical, agrochemical, and material science sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used as a precursor in the development of new herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in constructing complex heterocyclic compounds and natural product analogs due to its reactive dione and dimethoxy-substituted aromatic structure.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical testing, method development, and quality control in laboratories.

Basic Information

Product Name	6,7-Dimethoxy-Isochroman-1,3-Dione
CAS No.	5653-42-9
Molecular Formula	C11H10O5
Molecular Weight	222.19 g/mol
Synonyms	6,7-Dimethoxyisochroman-1,3-dione; 6,7-Dimethoxy-1H,3H-isochromene-1,3-dione; 1,3-Isochromandione, 6,7-dimethoxy-; 6,7-Dimethoxyphthalide; NSC 163022; 6,7-Dimethoxy-3H-isobenzofuran-1-one (tautomeric form); 6,7-Dimethoxy-1-oxoisochroman-3-one
EINECS	Contact for details

Quality Control

Our 6,7-Dimethoxy-Isochroman-1,3-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

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). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white 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.