Description

5-Bromo-4-Chromanone is a versatile brominated chromanone derivative, a key building block in advanced organic synthesis. This high-purity intermediate is critical for researchers and manufacturers developing novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily utilized by the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex heterocyclic frameworks.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, leveraging its bromine moiety for structural diversification.
• Material Science Research: Acts as a building block for creating advanced organic materials, including liquid crystals, organic semiconductors, and photoresists.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying enzyme function and biological pathways.
• Academic & R&D: A valuable reagent for methodological development in organic chemistry and for exploring new synthetic routes to complex natural products.

Basic Information

Product Name	5-Bromo-4-Chromanone
CAS No.	1199782-67-6
Molecular Formula	C9H7BrO2
Molecular Weight	227.06 g/mol
Synonyms	5-Bromo-4-chromanone; 4-Chromanone, 5-bromo-; 5-Bromo-4-chromone (common misnomer); 5-Bromo-2,3-dihydro-4H-1-benzopyran-4-one; 5-Bromo-4-oxochroman; 5-Bromochroman-4-one
EINECS	Contact for details

Quality Control

Our 5-Bromo-4-Chromanone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring GMP-grade intermediates and research chemicals.

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 and bases. For long-term storage, consider storing under an inert atmosphere.

Specification

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