Description

1H-2-Benzopyran-1,3(4H)-Dione,7-Methoxy-(9Ci) is a specialized organic compound belonging to the benzopyranone class, identified by CAS number 4702-29-8. This chemical serves as a valuable synthetic intermediate and building block in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily needed by research and development laboratories, pharmaceutical companies, and fine chemical manufacturers focused on developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those with benzopyran-based structures.
• Organic Synthesis Building Block: Used in research and development for constructing complex heterocyclic compounds, leveraging its reactive dione and methoxy functional groups.
• Agrochemical Research: Employed in the development of new pesticides and herbicides, where the benzopyranone core can contribute to biological activity.
• Material Science: Investigated as a monomer or additive in the development of advanced polymers and functional organic materials.
• Dye and Pigment Synthesis: Acts as an intermediate in the production of specialized dyes, pigments, and optical brighteners.
• Academic and Industrial R&D: Serves as a standard or reagent in chemical research for method development and exploratory chemistry.

Basic Information

Product Name	1H-2-Benzopyran-1,3(4H)-Dione,7-Methoxy-(9Ci)
CAS No.	4702-29-8
Molecular Formula	C10H8O4
Molecular Weight	192.17 g/mol
Synonyms	7-Methoxy-1H-2-benzopyran-1,3(4H)-dione; 7-Methoxyisochroman-1,3-dione; 7-Methoxy-3,4-dihydro-1H-2-benzopyran-1,3-dione; 7-Methoxy-3,4-dihydroisocoumarin-1,3-dione; 7-Methoxy-1,3-dihydroisobenzofuran-1,3-dione; 7-Methoxyhomophthalic anhydride; NSC 163022
EINECS	Contact for details

Quality Control

Our 1H-2-Benzopyran-1,3(4H)-Dione,7-Methoxy-(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality systems are designed to meet the stringent requirements of research and pharmaceutical intermediate applications.

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 heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber or opaque.

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	≤ 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.