Description

2H-Pyran-6-Carbonyl Chloride, 4-Methyl-2-Oxo- (9Ci) is a highly reactive and versatile organic intermediate, specifically an acyl chloride derivative of a substituted pyranone. This compound matters for its role as a key building block in advanced organic synthesis, enabling the efficient introduction of the 4-methyl-2-oxo-2H-pyran-6-carbonyl moiety into target molecules. It is primarily needed by research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly for constructing complex heterocyclic scaffolds found in bioactive molecules.
• Agrochemical Synthesis: Used in the development of new pesticides and herbicides, where its reactive carbonyl chloride group facilitates the creation of potent active ingredients.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialized polymers and advanced organic materials with tailored properties.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes and labeling reagents for studying biological systems.
• Fine Chemical Production: Acts as a versatile reagent for the custom synthesis of complex esters, amides, and other derivatives for various high-value applications.

Basic Information

Item	Details
Product Name	2H-Pyran-6-Carbonyl Chloride, 4-Methyl-2-Oxo- (9Ci)
CAS No.	53891-39-7
Molecular Formula	C7H5ClO3
Molecular Weight	172.57 g/mol
Synonyms	4-Methyl-2-oxo-2H-pyran-6-carbonyl chloride; 6-Chlorocarbonyl-4-methyl-2-pyrone; 4-Methyl-2-oxo-2H-pyran-6-carboxylic acid chloride; 4-Methyl-2-oxo-2H-pyran-6-carbonyl chloride; 4-Methyl-2-oxo-2H-pyran-6-carboxyl chloride; 2-Oxo-4-methyl-2H-pyran-6-carbonyl chloride; 6-(Chlorocarbonyl)-4-methyl-2H-pyran-2-one
EINECS	Contact for details

Quality Control

Our 2H-Pyran-6-Carbonyl Chloride, 4-Methyl-2-Oxo- (9Ci) is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature and reactivity as a strong acid/organic solvent derivative, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from moisture, heat, and incompatible materials such as bases, alcohols, and amines.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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