Description

4-Hydroxy-7-Methylcoumarin is a significant substituted coumarin derivative valued for its role as a versatile chemical intermediate and its inherent biological activity. This compound matters for its ability to impart specific functional properties in advanced synthesis and material science applications. Industries requiring high-purity organic intermediates, such as pharmaceutical research, agrochemical development, and specialty chemical manufacturing, are the primary users of this product.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of more complex coumarin-based drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of novel pesticides, herbicides, and fungicides that leverage the coumarin scaffold.
• Fluorescent Probe & Dye Precursor: Serves as a starting material for synthesizing fluorescent markers, optical brighteners, and laser dyes due to its inherent chromophore.
• Organic Synthesis Building Block: Employed in academic and industrial research for constructing heterocyclic compounds and complex molecular architectures.
• Cosmetic & Fragrance Ingredient Intermediate: Used in the production of certain UV absorbers and fragrance fixatives where coumarin derivatives are applicable.
• Material Science Research: Investigated for use in organic light-emitting diodes (OLEDs) and other advanced organic electronic materials.

Basic Information

Product Name	4-Hydroxy-7-Methylcoumarin
CAS No.	18692-77-8
Molecular Formula	C10H8O3
Molecular Weight	176.17 g/mol
Synonyms	7-Methylumbelliferone; 7-Methyl-4-hydroxycoumarin; 4-Hydroxy-7-methyl-2H-1-benzopyran-2-one; Hymecromone Impurity; 7-Methyl-4-chromenol; 7-Methyl-4-hydroxy-2H-chromen-2-one; β-Methylumbelliferone; Skimmetin
EINECS	242-486-8

Quality Control

Our 4-Hydroxy-7-Methylcoumarin is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters 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 and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	185°C - 190°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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