Description

2H-Pyran-3-Carbonyl Chloride, 3,4-Dihydro- (9Ci) is a reactive heterocyclic acid chloride derivative, serving as a crucial building block in advanced organic synthesis. Its value lies in its ability to efficiently introduce the dihydropyran-carbonyl moiety, enabling the construction of complex molecular architectures. This high-purity intermediate is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the dihydropyran structure can confer specific biological activity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands and organocatalysts used in asymmetric synthesis.
• Polymer and Material Science: Employed in the synthesis of functional monomers and polymers with tailored properties for advanced materials.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D exploring new synthetic methodologies and compound libraries.
• Fine Chemical Production: Integral in the multi-step synthesis of complex fine chemicals and specialty intermediates for various industrial applications.

Basic Information

Product Name	2H-Pyran-3-Carbonyl Chloride, 3,4-Dihydro- (9Ci)
CAS No.	155268-09-0
Molecular Formula	C6H7ClO2
Molecular Weight	146.57 g/mol
Synonyms	3,4-Dihydro-2H-pyran-3-carbonyl chloride; 2H-Pyran-3-carbonyl chloride, 3,4-dihydro-; 3,4-Dihydro-2H-pyran-3-carboxylic acid chloride; 3-Chlorocarbonyl-3,4-dihydro-2H-pyran; Dihydropyran-3-carbonyl chloride; 155268-09-0; 3,4-Dihydro-2H-pyran-3-carboxyl chloride
EINECS	Contact for details

Quality Control

Our 2H-Pyran-3-Carbonyl Chloride, 3,4-Dihydro- (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for sensitive synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing purity, identity, and impurity profiles as determined by advanced analytical techniques (HPLC, GC, NMR, IR). Our quality system is designed to meet the rigorous standards demanded by pharmaceutical and fine chemical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 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.