Description

2H-1-Benzopyran-2-One, 6-Bromo-4-Hydroxy-3-Methyl- is a high-purity, synthetic brominated coumarin derivative. This compound serves as a versatile and critical chemical building block for advanced organic synthesis and pharmaceutical research. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways where the coumarin scaffold is active.
• Agrochemical Research: Used in developing new active ingredients for crop protection products, leveraging its halogenated structure for bioactivity.
• Fluorescent Probe & Dye Synthesis: Serves as a starting material for synthesizing advanced coumarin-based fluorescent dyes and molecular probes used in bioimaging and diagnostics.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a building block for electron-transport or emissive layer materials in OLED device research.
• Academic & Industrial R&D: Employed in medicinal chemistry programs and material science research for structure-activity relationship (SAR) studies.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development and quality control in related chemical production.

Basic Information

Product Name	2H-1-Benzopyran-2-One, 6-Bromo-4-Hydroxy-3-Methyl-
CAS No.	189873-70-9
Molecular Formula	C10H7BrO3
Molecular Weight	255.07 g/mol
Synonyms	6-Bromo-4-hydroxy-3-methylcoumarin; 6-Bromo-4-hydroxy-3-methyl-2H-chromen-2-one; 6-Bromo-4-hydroxy-3-methyl-1-benzopyran-2-one; 3-Methyl-6-bromo-4-hydroxycoumarin; 4-Hydroxy-6-bromo-3-methylcoumarin; 6-Bromo-4-hydroxy-3-methyl-2H-1-benzopyran-2-one
EINECS	Contact for details

Quality Control

Our 2H-1-Benzopyran-2-One, 6-Bromo-4-Hydroxy-3-Methyl- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) detailing purity, impurities, and physical characteristics are 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 such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (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.