Description

2H-Pyran-4-Carbonyl Chloride, Tetrahydro-2-Methyl- (9Ci) is a reactive organic intermediate featuring a carbonyl chloride functional group on a partially saturated pyran ring. This compound is valued for its role as a versatile building block in advanced organic synthesis, enabling the introduction of the tetrahydro-2-methyl-2H-pyran-4-carbonyl moiety. It is primarily sought by research chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing complex molecular architectures, such as active pharmaceutical ingredients (APIs) and novel crop protection agents.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the development and production of advanced herbicides, fungicides, and insecticides, contributing to new modes of action.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, flavors, and fragrances requiring the tetrahydro-2H-pyran scaffold.
• Academic & Industrial R&D: Employed in research laboratories for method development and exploring new synthetic pathways in heterocyclic chemistry.
• Material Science: Potential monomer or cross-linking agent in the development of specialized polymers with unique thermal or chemical properties.

Basic Information

Product Name	2H-Pyran-4-Carbonyl Chloride, Tetrahydro-2-Methyl- (9Ci)
CAS No.	88572-22-9
Molecular Formula	C7H11ClO2
Molecular Weight	162.61 g/mol
Synonyms	Tetrahydro-2-methyl-2H-pyran-4-carbonyl chloride; 2-Methyltetrahydro-2H-pyran-4-carbonyl chloride; 4-(Chlorocarbonyl)tetrahydro-2-methyl-2H-pyran; 2-Methyltetrahydropyran-4-carbonyl chloride; 2-Methyl-4-piperonyl chloride (obsolete); Tetrahydro-2-methyl-4-pyrancarbonyl chloride
EINECS	Contact for details

Quality Control

Our production of 2H-Pyran-4-Carbonyl Chloride, Tetrahydro-2-Methyl- (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

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 and moisture-sensitive nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
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.