Description

2H-Furo[2,3-H]-1-Benzopyran-2-One, 9-Hydroxy-4-Methyl- (9Ci) is a specialized heterocyclic organic compound belonging to the benzopyrone (coumarin) class, identified by CAS number 397874-72-5. This high-purity intermediate is valued for its unique fused-ring structure, which serves as a critical building block in advanced synthetic chemistry. It is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and complex molecular architectures.

Application

This compound serves as a versatile synthetic intermediate with applications across several high-value industries:

• Pharmaceutical Research & Development: A key precursor for synthesizing novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides, leveraging its complex heterocyclic core.
• Organic Light-Emitting Diodes (OLEDs): Potential application as an electron-transport or emissive layer material due to its fused aromatic structure.
• Material Science: Serves as a monomer or building block for advanced polymers and specialty chemicals with specific optical properties.
• Academic & Industrial Research: Utilized in chemical libraries for high-throughput screening and structure-activity relationship (SAR) studies.

Basic Information

Product Name	2H-Furo[2,3-H]-1-Benzopyran-2-One, 9-Hydroxy-4-Methyl- (9Ci)
CAS No.	397874-72-5
Molecular Formula	C₁₄H₁₀O₄
Molecular Weight	242.23 g/mol
Synonyms	9-Hydroxy-4-methyl-2H-furo[2,3-h]chromen-2-one; 9-Hydroxy-4-methylfuro[2,3-h]chromen-2-one; 4-Methyl-9-hydroxy-2H-furo[2,3-h]chromen-2-one; 9-Hydroxy-4-methyl-2H-furo[2,3-h]-1-benzopyran-2-one; 397874-72-5; Light-sensitive (store away from light)
EINECS	Contact for details

Quality Control

Our production of 2H-Furo[2,3-H]-1-Benzopyran-2-One, 9-Hydroxy-4-Methyl- (9Ci) adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure consistency and meet precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 incompatible materials. Due to its light-sensitive nature, handling should be performed under appropriate conditions to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.