Description

2-(Chloromethyl)-5-Methoxy-4H-Pyran-4-One (Saltdata: Free) is a versatile heterocyclic building block and key synthetic intermediate. This compound is valued for its reactive chloromethyl group and pyranone core, enabling its use in the construction of complex molecules for pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the fine chemical and life sciences industries.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Chemical Research: Acts as a versatile building block for constructing complex heterocyclic compounds and functionalized pyran derivatives.
• Material Science: Potential monomer or precursor for specialty polymers and advanced organic materials.
• Academic & Contract Research: Employed in university laboratories and CROs (Contract Research Organizations) for methodological studies and discovery chemistry.

Basic Information

Product Name	2-(Chloromethyl)-5-Methoxy-4H-Pyran-4-One (Saltdata: Free)
CAS No.	40838-34-4
Molecular Formula	C7H7ClO3
Molecular Weight	174.58 g/mol
Synonyms	5-Methoxy-2-(chloromethyl)-4H-pyran-4-one; 2-Chloromethyl-5-methoxy-4-pyrone; 5-Methoxy-2-(chloromethyl)-4-pyrone; 4H-Pyran-4-one, 2-(chloromethyl)-5-methoxy-; 40838-34-4; 2-(Chloromethyl)-5-methoxypyran-4-one
EINECS	Contact for details

Quality Control

Our 2-(Chloromethyl)-5-Methoxy-4H-Pyran-4-One is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

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 heat, sparks, and open flame. The container should be kept tightly closed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.