Description

2H-Pyran, 4-Bromotetrahydro-4-Methyl- is a halogenated heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a versatile intermediate for constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries for the development of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of novel drug candidates, particularly those containing functionalized pyran or tetrahydropyran cores.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its reactive bromine substituent for further derivatization.
• Material Science: Acts as a precursor for specialty polymers and advanced organic materials requiring specific heterocyclic motifs.
• Academic & Industrial R&D: Employed in methodological studies and as a building block for constructing complex natural product analogs and chemical libraries.
• Ligand & Catalyst Synthesis: Useful for preparing novel chiral or functional ligands used in asymmetric catalysis.

Basic Information

Product Name	2H-Pyran, 4-Bromotetrahydro-4-Methyl-
CAS No.	66299-88-5
Molecular Formula	C6H11BrO
Molecular Weight	179.06 g/mol
Synonyms	4-Bromo-4-methyltetrahydro-2H-pyran; 4-Methyl-4-bromotetrahydropyran; 4-Bromo-4-methyltetrahydropyran; 4-Bromo-4-methyl-2H-pyran, tetrahydro-; Tetrahydro-4-methyl-4-bromo-2H-pyran; 4-Bromotetrahydro-4-methyl-2H-pyran; 4-Methyltetrahydro-2H-pyran-4-yl bromide
EINECS	Contact for details

Quality Control

Our 2H-Pyran, 4-Bromotetrahydro-4-Methyl- is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC/HPLC and NMR, to ensure high purity and consistent performance as a synthesis intermediate. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Typical 97-99%)
Water Content (KF)	≤ 0.5%

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