Description

4H-1-Benzopyran-4-One, 7,8-Dimethoxy- is a high-purity chromone derivative, a key synthetic intermediate valued for its defined chemical structure and reactivity. This compound is essential for research and development in advanced organic synthesis, particularly for constructing complex heterocyclic frameworks. It is primarily sought by the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of potential drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its chromone core for bioactivity.
• Fine Chemical Synthesis: Serves as a precursor for dyes, pigments, and advanced organic materials requiring specific optical or electronic properties.
• Academic & R&D: A standard reagent in university and corporate laboratories for methodological studies in heterocyclic and medicinal chemistry.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing complex aroma chemicals due to its oxygenated benzopyran structure.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 7,8-Dimethoxy-
CAS No.	59887-97-7
Molecular Formula	C11H10O4
Molecular Weight	206.19 g/mol
Synonyms	7,8-Dimethoxychromone; 7,8-Dimethoxy-4H-chromen-4-one; 7,8-Dimethoxy-1-benzopyran-4-one; 4H-1-Benzopyran-4-one, 7,8-dimethoxy-; Chromone, 7,8-dimethoxy-; 7,8-Dimethoxy-4H-1-benzopyran-4-one
EINECS	Contact for details

Quality Control

Every batch of 4H-1-Benzopyran-4-One, 7,8-Dimethoxy- is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency meet the exacting standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specifications such as assay (HPLC), identity (IR, NMR), and impurity profile is available for each lot upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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