Description

4H-1-Benzopyran-4-One, 2,3-Dihydro-7-Methoxy- CAS NO 42327-52-6 is a high-purity chromone derivative, a key heterocyclic scaffold in organic synthesis and pharmaceutical research. Its value lies in its role as a versatile synthetic intermediate for developing novel bioactive compounds. This product is essential for R&D chemists and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking to build complex molecular architectures.

Application

• Pharmaceutical Intermediate: Core building block for the synthesis of novel drug candidates with potential therapeutic activities.
• Agrochemical Research: Used in developing new pesticides and herbicides by serving as a precursor for active ingredients.
• Fine Chemical Synthesis: A crucial starting material for synthesizing complex chromone and flavonoid analogs.
• Academic & Industrial R&D: Fundamental scaffold in medicinal chemistry for structure-activity relationship (SAR) studies.
• Material Science Precursor: Potential intermediate in the development of organic electronic materials and dyes.
• Biochemical Tool Compound: Used in biological assays to study enzyme inhibition and cellular pathways.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 2,3-Dihydro-7-Methoxy-
CAS No.	42327-52-6
Molecular Formula	C10H10O3
Molecular Weight	178.18 g/mol
Synonyms	7-Methoxy-2,3-dihydro-4H-chromen-4-one; 7-Methoxy-2,3-dihydrochromone; 7-Methoxydihydrochromone; 2,3-Dihydro-7-methoxy-4H-1-benzopyran-4-one; 7-Methoxy-3,4-dihydro-2H-1-benzopyran-4-one; 7-Methoxyflavanone (common name, though structurally a chromone); Dihydro-7-methoxychromone
EINECS	Contact for details

Quality Control

Every batch of 4H-1-Benzopyran-4-One, 2,3-Dihydro-7-Methoxy- is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for research and fine chemical use. Comprehensive analytical testing, including HPLC, GC, and NMR, is performed to verify identity, purity, and consistency. Certificates of Analysis (COA) documenting all specifications are available upon request.

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 kept in opaque or amber packaging during storage and handling.

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.