Description

4-Bromo-3,6-dihydro-2H-pyran is a versatile brominated dihydropyran derivative, a crucial building block in advanced organic synthesis. Its reactive bromine atom and cyclic ether structure make it an invaluable intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and pharmaceutical companies for applications in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of active pharmaceutical ingredients (APIs), particularly for molecules containing tetrahydropyran or functionalized ether motifs.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging its reactivity for structural diversification.
• Material Science Precursor: Acts as a monomer or cross-linking agent in the synthesis of specialized polymers and functional materials.
• Organic Synthesis Building Block: Employed in cycloaddition reactions, nucleophilic substitution, and as a scaffold for heterocyclic chemistry in academic and industrial R&D.
• Ligand and Catalyst Development: Useful for synthesizing chiral ligands or metal-organic complexes used in asymmetric catalysis.

Basic Information

Product Name	4-Bromo-3,6-dihydro-2H-pyran
CAS No.	24265-23-4
Molecular Formula	C5H7BrO
Molecular Weight	163.01 g/mol
Synonyms	4-Bromo-3,6-dihydro-2H-pyran; 2H-Pyran, 4-bromo-3,6-dihydro-; 4-Bromo-2,3-dihydropyran; 3,6-Dihydro-4-bromo-2H-pyran; 4-Bromodihydropyran; 4-Bromo-3,6-dihydro-2-pyran; 4-Bromo-2H-3,6-dihydropyran
EINECS	Contact for details

Quality Control

Our 4-Bromo-3,6-dihydro-2H-pyran is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

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 acids and incompatible organic solvents. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Water Content	≤ 0.5%

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