Description

2H-1-Benzopyran-2-One, 7-Bromo-3,4-Dihydro- is a brominated coumarin derivative, a versatile and high-value synthetic intermediate in advanced organic chemistry. Its core value lies in its functionalized structure, which serves as a critical building block for constructing complex molecules in pharmaceutical and material science research. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially those targeting neurological and oncological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its bioactive coumarin scaffold.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport or emissive layer materials in advanced display technologies.
• Fluorescent Probe & Dye Synthesis: Utilized to create specialized fluorescent markers and dyes for biochemical sensing and imaging applications.
• Material Science: Acts as a monomer or modifier in the synthesis of advanced polymers with specific optical or electronic properties.
• Academic & Contract Research: Employed in universities and CROs for methodological development and exploratory synthesis projects.

Basic Information

Product Name	2H-1-Benzopyran-2-One, 7-Bromo-3,4-Dihydro-
CAS No.	1206905-48-7
Molecular Formula	C9H7BrO2
Molecular Weight	227.06 g/mol
Synonyms	7-Bromo-3,4-dihydrocoumarin; 7-Bromo-3,4-dihydro-2H-chromen-2-one; 7-Bromo-3,4-dihydro-2H-1-benzopyran-2-one; 3,4-Dihydro-7-bromocoumarin; 7-Bromochroman-2-one; 7-Bromo-2-oxochroman; 7-Bromo-3,4-dihydro-2H-chromen-2-one; 7-Bromodihydrocoumarin
EINECS	Contact for details

Quality Control

Our 2H-1-Benzopyran-2-One, 7-Bromo-3,4-Dihydro- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep away from strong oxidizing agents.

Specification

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