Description

4H-Pyran-4-One, 5-Bromo-2,3-Dihydro- (9Ci) is a specialized brominated heterocyclic compound that serves as a valuable synthetic intermediate in advanced organic chemistry. Its unique structure makes it a critical building block for constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. This high-purity intermediate is essential for medicinal chemists and process development scientists working on novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science Precursor: Serves as a monomer or precursor for functional polymers and advanced organic electronic materials.
• Chemical Synthesis Reagent: Employed in cross-coupling reactions and as a scaffold for constructing complex heterocyclic systems in academic and industrial R&D.
• Ligand Synthesis: Useful for creating specialized ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	4H-Pyran-4-One, 5-Bromo-2,3-Dihydro- (9Ci)
CAS No.	359688-89-4
Molecular Formula	C5H5BrO2
Molecular Weight	177.00 g/mol
Synonyms	5-Bromo-2,3-dihydro-4H-pyran-4-one; 5-Bromo-2,3-dihydropyran-4-one; 5-Bromo-3,4-dihydro-2H-pyran-4-one; 359688-89-4; 5-Bromo-4H-pyran-4-one, 2,3-dihydro-; SCHEMBL21850227; DTXSID70731892
EINECS	Contact for details

Quality Control

Our 4H-Pyran-4-One, 5-Bromo-2,3-Dihydro- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency suitable for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

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

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
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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