Description

2H-Pyran,2,2-Diethoxytetrahydro-4,6-Dimethyl-,cis-(9Ci) is a specialized heterocyclic compound featuring a protected dihydropyran core, serving as a valuable synthetic intermediate. Its primary commercial value lies in its role as a versatile building block for constructing complex molecular architectures in fine chemical and pharmaceutical synthesis. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors who require high-purity, structurally defined intermediates.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing tetrahydropyran or sugar-like motifs.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides that leverage its heterocyclic structure.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty chemicals requiring chiral, protected intermediates.
• Academic & Industrial R&D: A crucial reagent for methodological development in organic synthesis, including studies on cyclization and protection/deprotection strategies.
• Material Science Precursor: Potential use in the development of organic ligands or monomers for advanced polymeric materials.

Basic Information

Product Name	2H-Pyran,2,2-Diethoxytetrahydro-4,6-Dimethyl-,cis-(9Ci)
CAS No.	139054-15-2
Molecular Formula	C11H22O3
Molecular Weight	202.29 g/mol
Synonyms	cis-2,2-Diethoxytetrahydro-4,6-dimethyl-2H-pyran; 4,6-Dimethyl-2,2-diethoxytetrahydro-2H-pyran, cis-; Tetrahydro-4,6-dimethyl-2H-pyran-2,2(3H)-diethanol, diethyl acetal, cis-; 2H-Pyran-2,2(3H)-diethanol, tetrahydro-4,6-dimethyl-, diethyl acetal, cis-; (cis)-2,2-Diethoxy-4,6-dimethyltetrahydro-2H-pyran; 139054-15-2; (9CI) Index name
EINECS	Contact for details

Quality Control

Every batch of 2H-Pyran,2,2-Diethoxytetrahydro-4,6-Dimethyl-,cis-(9Ci) is produced and tested under a strict quality management system. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.