Description

4H-1-Benzopyran-4-One, 5-Methyl- is a specialized organic compound belonging to the chromone class, serving as a valuable synthetic intermediate and building block in advanced chemical synthesis. Its defined structure and high purity are critical for researchers and manufacturers requiring precise molecular frameworks. This compound is primarily sought after by the pharmaceutical, agrochemical, and fine chemical industries for applications in drug discovery, material science, and the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those with chromone or flavonoid-based structures.
• Agrochemical Research: Used in the development and production of new pesticides, herbicides, and plant growth regulators.
• Fine Chemical Synthesis: Serves as a versatile precursor for creating complex molecules used in dyes, pigments, and advanced organic materials.
• Academic & R&D: Essential for chemical research in medicinal chemistry, organic synthesis, and material science laboratories.
• Flavor & Fragrance Industry: Potential intermediate in the synthesis of certain aroma chemicals and flavoring agents.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 5-Methyl-
CAS No.	84437-34-3
Molecular Formula	C10H8O2
Molecular Weight	160.17 g/mol
Synonyms	5-Methylchromone; 5-Methyl-4H-chromen-4-one; 5-Methyl-1-benzopyran-4-one; 5-Methyl-4H-1-benzopyran-4-one; 5-Methylcoumarin (Note: This is a common misnomer, it is a chromone, not a coumarin); 5-Methyl-4-chromone
EINECS	Contact for details

Quality Control

Our 4H-1-Benzopyran-4-One, 5-Methyl- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent quality suitable for demanding R&D and industrial applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.