Description

4H-1-Benzopyran-4-One, 2,3-Dihydro-5,6,7-Trimethoxy-2-(3,4,5-Trimethoxyphenyl)- is a high-purity synthetic intermediate belonging to the chromone and flavanone chemical class. This compound is valued for its complex poly-methoxylated structure, which serves as a critical building block in advanced organic synthesis and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active compounds.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential therapeutic agents, particularly those targeting neurological or cardiovascular pathways.
• Agrochemical Research: Used in developing novel pesticides or herbicides, leveraging its bioactive scaffold.
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex, value-added molecules in custom synthesis projects.
• Academic & Institutional Research: Employed in medicinal chemistry programs to study structure-activity relationships (SAR) of flavonoid derivatives.
• Reference Standard: Can be supplied as a high-purity standard for analytical method development and quality control in related API manufacturing.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 2,3-Dihydro-5,6,7-Trimethoxy-2-(3,4,5-Trimethoxyphenyl)-
CAS No.	74064-17-8
Molecular Formula	C21H24O8
Molecular Weight	404.41 g/mol
Synonyms	2,3-Dihydro-5,6,7-trimethoxy-2-(3,4,5-trimethoxyphenyl)-4H-1-benzopyran-4-one; 5,6,7-Trimethoxy-2-(3,4,5-trimethoxyphenyl)chroman-4-one; Trimethoxyphenylchromone derivative; NSC 339586; Flavanone trimethoxy derivative; Poly-methoxylated flavanone
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Every batch is characterized using advanced analytical techniques including HPLC, GC, NMR, and MS to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are provided with each shipment. We support cGMP-grade production for pharmaceutical applications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity, the product should be stored under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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