Description

2H-Pyran-4-Carbonyl Chloride, 4-Chlorotetrahydro- (9Ci) is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. This compound matters because it provides a versatile building block for constructing complex heterocyclic frameworks, enabling the development of novel active ingredients. It is primarily needed by research and development teams in the pharmaceutical and agrochemical industries for creating new drug candidates and crop protection agents.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and antiviral drug candidates.
• Agrochemical Synthesis: Used in the research and development of next-generation herbicides and fungicides, leveraging its heterocyclic structure.
• Material Science Research: Serves as a precursor for specialty polymers and advanced organic materials with specific optical or electronic properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological development and exploring new chemical spaces in heterocyclic chemistry.
• Fine Chemical Production: Acts as a building block for synthesizing complex fragrance and flavor molecules.

Basic Information

Product Name	2H-Pyran-4-Carbonyl Chloride, 4-Chlorotetrahydro- (9Ci)
CAS No.	99338-33-7
Molecular Formula	C6H6Cl2O2
Molecular Weight	181.02 g/mol
Synonyms	4-Chlorotetrahydro-2H-pyran-4-carbonyl chloride; Tetrahydro-4-chloro-2H-pyran-4-carbonyl chloride; 4-Chlorotetrahydro-2H-pyran-4-carboxylic acid chloride; 4-Chlorotetrahydropyran-4-carbonyl chloride; 4-Chlorooxane-4-carbonyl chloride
EINECS	Contact for details

Quality Control

Our production of 2H-Pyran-4-Carbonyl Chloride, 4-Chlorotetrahydro- (9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	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.