Description

Methyl 3-Bromo-2-Oxo-2H-Pyran-5-Carboxylate is a high-purity brominated pyran derivative that serves as a critical synthetic intermediate in advanced organic chemistry. This compound is valued for its reactive bromine and ester functionalities, enabling precise molecular construction in complex synthesis pathways. It is primarily sought after by research institutions and pharmaceutical development companies for the synthesis of novel active pharmaceutical ingredients (APIs) and specialized fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Serves as a precursor for developing functional organic materials, including polymers and liquid crystals with specific electronic properties.
• Academic & Industrial R&D: Employed in organic synthesis laboratories for method development and the creation of complex heterocyclic compounds.
• Fine Chemical Production: Utilized in the custom synthesis of specialty chemicals for various high-tech industries.

Basic Information

Product Name	Methyl 3-Bromo-2-Oxo-2H-Pyran-5-Carboxylate
CAS No.	42933-07-3
Molecular Formula	C8H7BrO4
Molecular Weight	247.04 g/mol
Synonyms	3-Bromo-2-oxo-2H-pyran-5-carboxylic acid methyl ester; Methyl 3-bromo-2-oxo-2H-pyran-5-carboxylate; 5-Carbomethoxy-3-bromo-2-pyrone; 3-Bromo-5-(methoxycarbonyl)-2H-pyran-2-one; 3-Bromo-2-oxo-2H-pyran-5-carboxylic acid methyl ester; 3-Bromotetronic acid methyl ester derivative
EINECS	Contact for details

Quality Control

Our production of Methyl 3-Bromo-2-Oxo-2H-Pyran-5-Carboxylate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including HPLC, GC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support 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 a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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