Description

4H-1-Benzopyran-4-One, 7-Hydroxy-3-Methyl- is a high-purity chromone derivative, a key synthetic intermediate and building block in organic chemistry. Its value lies in its versatile functional groups, which enable the synthesis of more complex molecules for research and development. This compound is essential for pharmaceutical R&D, agrochemical synthesis, and the production of specialty chemicals and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing novel drug candidates, particularly those with chromone or flavonoid-based structures.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Organic Synthesis & Research: Serves as a versatile precursor for creating complex heterocyclic compounds in academic and industrial laboratories.
• Flavonoid & Natural Product Analogues: Acts as a core structure for synthesizing analogues of biologically active natural products.
• Material Science Research: Investigated as a monomer or precursor for developing organic electronic materials and specialty polymers.
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized dyes and organic pigments.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 7-Hydroxy-3-Methyl-
CAS No.	57646-00-1
Molecular Formula	C10H8O3
Molecular Weight	176.17 g/mol
Synonyms	7-Hydroxy-3-methyl-4H-chromen-4-one; 7-Hydroxy-3-methylchromone; 3-Methyl-7-hydroxychromone; 7-Hydroxy-3-methyl-4-chromone; 7-Hydroxy-3-methylcoumarin-4-one (deprecated); NSC 407296; 3-Methylumbelliferone (context-specific)
EINECS	Contact for details

Quality Control

Our 4H-1-Benzopyran-4-One, 7-Hydroxy-3-Methyl- is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications 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 room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.