Description

5-Bromo-2H-Pyran-2-One, 95% is a versatile brominated heterocyclic building block with significant synthetic utility. This compound is valued for its role as a key intermediate in the development of complex organic molecules, particularly in pharmaceutical and agrochemical research. It is essential for chemists and R&D teams in fine chemical synthesis, medicinal chemistry, and material science who require a reliable source of high-purity intermediates.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those with heterocyclic cores.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides, leveraging its reactive bromine moiety.
• Organic Synthesis Building Block: A valuable reagent for constructing complex molecular architectures, including natural product analogs and specialty chemicals.
• Material Science Research: Employed in the development of advanced organic materials, such as polymers or organic electronic components, where its specific structure imparts desired properties.
• Chemical Biology & Proteomics: Can be utilized as a reactive handle or probe in bioconjugation chemistry and the study of biological systems.

Basic Information

Item	Details
Product Name	5-Bromo-2H-Pyran-2-One, 95%
CAS No.	19978-33-7
Molecular Formula	C5H3BrO2
Molecular Weight	174.98 g/mol
Synonyms	5-Bromo-2H-pyran-2-one; 5-Bromo-2-pyranone; 5-Bromo-2H-pyran-2-one; 5-Bromo-2-pyrone; 5-Bromopyran-2-one; 5-Bromo-2-oxo-2H-pyran; 2H-Pyran-2-one, 5-bromo-
EINECS	Contact for details

Quality Control

Our 5-Bromo-2H-Pyran-2-One, 95% is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing the specific results for each parameter is provided and available upon request, supporting your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
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.