Description

2H-1-Benzopyran-2-One,7-Hydroxy-4-Methyl-3-Phenyl- is a high-purity synthetic organic compound belonging to the coumarin derivative family. This chemical is valued for its role as a versatile key intermediate in the synthesis of more complex molecules, particularly in fine chemical and pharmaceutical manufacturing. It is primarily sought by R&D laboratories and industrial producers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly those targeting specific biological pathways.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, or plant growth regulators where the coumarin scaffold is active.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, fluorescent markers, and other advanced organic materials.
• Academic & Industrial R&D: Employed in chemical research for studying reaction mechanisms, structure-activity relationships (SAR), and developing new synthetic methodologies.
• Cosmetic Ingredient Synthesis: Potential intermediate for UV absorbers or other functional additives in cosmetic formulations, subject to compliance and final product registration.

Basic Information

Product Name	2H-1-Benzopyran-2-One,7-Hydroxy-4-Methyl-3-Phenyl-
CAS No.	2555-23-9
Molecular Formula	C₁₆H₁₂O₃
Molecular Weight	252.27 g/mol
Synonyms	7-Hydroxy-4-methyl-3-phenylcoumarin; 3-Phenyl-7-hydroxy-4-methylcoumarin; 4-Methyl-7-hydroxy-3-phenyl-2H-chromen-2-one; 7-Hydroxy-4-methyl-3-phenyl-2H-1-benzopyran-2-one; Hymecromone Impurity; 7-Hydroxy-4-methyl-3-phenyl-2-chromenone
EINECS	219-865-8

Quality Control

Every batch of our 2H-1-Benzopyran-2-One,7-Hydroxy-4-Methyl-3-Phenyl- is manufactured under a strict quality management system. The product undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment and are available upon request to support your quality assurance protocols.

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 incompatible materials such as strong oxidizing agents.

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%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.