Description

4H-1-Benzopyran-4-One, 5-Bromo- is a high-purity brominated chromone derivative, a key synthetic intermediate valued for its role in constructing complex heterocyclic scaffolds. This compound is essential for researchers and manufacturers requiring precise chemical building blocks for pharmaceutical and agrochemical development. It is primarily utilized in the synthesis of novel active ingredients, making it critical for R&D and process chemistry in the life sciences sector.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition or possessing anti-inflammatory properties.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators, leveraging the chromone core's bioactivity.
• Organic Synthesis Building Block: The bromine atom provides a versatile handle for further functionalization via cross-coupling reactions (e.g., Suzuki, Heck) for creating diverse chemical libraries.
• Material Science Research: Investigated as a precursor for organic electronic materials or fluorescent dyes due to the chromone fluorophore.
• Academic & Contract Research: A valuable reagent for universities and CROs (Contract Research Organizations) engaged in medicinal chemistry and heterocyclic chemistry projects.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 5-Bromo-
CAS No.	1260485-23-1
Molecular Formula	C9H5BrO2
Molecular Weight	225.04 g/mol
Synonyms	5-Bromochromone; 5-Bromo-4H-chromen-4-one; 5-Bromo-1-benzopyran-4-one; 5-Bromo-4H-1-benzopyran-4-one; 5-Bromochromen-4-one; 4H-Chromen-4-one, 5-bromo-; 5-Bromo-4-chromone
EINECS	Contact for details

Quality Control

Our 4H-1-Benzopyran-4-One, 5-Bromo- is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 incompatible materials.

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.