Description

7-Bromo-4H-Chromen-4-One is a versatile brominated chromenone derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its reactive bromine substituent, which enables selective functionalization for constructing complex heterocyclic frameworks. This high-purity building block is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing novel active compounds and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition or possessing anti-inflammatory and anticancer properties.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, and plant growth regulators by acting as a core scaffold for bioactive molecules.
• Material Science: Serves as a building block for organic semiconductors, luminescent materials, and advanced polymers due to the chromenone core's electronic properties.
• Chemical Synthesis: Employed in cross-coupling reactions (e.g., Suzuki, Sonogashira) and nucleophilic substitution reactions to introduce the chromenone moiety into more complex structures.
• Academic & R&D: Fundamental reagent in university and corporate research laboratories for exploring new synthetic methodologies and studying structure-activity relationships (SAR).

Basic Information

Product Name	7-Bromo-4H-Chromen-4-One
CAS No.	168759-60-2
Molecular Formula	C9H5BrO2
Molecular Weight	225.04 g/mol
Synonyms	7-Bromochromone; 7-Bromo-4-chromone; 7-Bromo-4-oxo-4H-chromene; 7-Bromo-1-benzopyran-4-one; 4H-1-Benzopyran-4-one, 7-bromo-; 168759-60-2
EINECS	Contact for details

Quality Control

Our 7-Bromo-4H-Chromen-4-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity verification and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow 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%

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