Description

4,5-Dimethoxy-2H-1-Benzopyran-2-One is a high-purity synthetic organic compound belonging to the coumarin derivative family. This specialty chemical serves as a critical advanced intermediate and pharmacological reference standard in research and development. It is primarily sought by the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates with potential biological activity.
• Agrochemical Research: Used in developing new pesticides and herbicides due to its coumarin-based structural motif.
• Organic Synthesis Reference Standard: Serves as a pure standard for analytical method development and validation in QC laboratories.
• Fluorescent Probe & Dye Precursor: Acts as a starting material for synthesizing fluorescent markers and optical materials.
• Academic & R&D: Utilized in university and institutional research for studying coumarin chemistry and its derivatives.
• Fine Chemical Production: Intermediate for manufacturing specialty chemicals used in electronics and advanced materials.

Basic Information

Product Name	4,5-Dimethoxy-2H-1-Benzopyran-2-One
CAS No.	53666-77-6
Molecular Formula	C₁₁H₁₀O₄
Molecular Weight	206.19 g/mol
Synonyms	4,5-Dimethoxycoumarin; 4,5-Dimethoxy-2H-chromen-2-one; 4,5-Dimethoxy-1-benzopyran-2-one; NSC 407303; 2H-1-Benzopyran-2-one, 4,5-dimethoxy-; 4,5-Dimethoxy-2H-chrome-2-one; 4,5-Dimethoxy-2-chromenone
EINECS	Contact for details

Quality Control

Our 4,5-Dimethoxy-2H-1-Benzopyran-2-One is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a comprehensive Certificate of Analysis (COA) with each shipment, detailing all specification results. Our quality commitment supports applications requiring high-purity reference standards and intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
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.