Description

8-Ethyl 8-Methyl 1,4-Dioxaspiro[4.5]Decane-8,8-Dicarboxylate is a high-purity, specialized spirocyclic compound that serves as a critical synthetic intermediate in advanced organic chemistry. Its unique spirocyclic ketal-protected structure makes it a valuable building block for constructing complex molecular architectures with precise stereochemistry. This compound is primarily utilized by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those requiring spirocyclic or ketal-protected functional groups.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, where its structure contributes to specific biological activity and stability.
• Advanced Material Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and functional materials.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing intricate carbon skeletons in natural product synthesis and methodology development.
• Flavor & Fragrance Chemistry: Potential intermediate for creating complex, macrocyclic musk analogs and other specialty aroma chemicals.

Basic Information

Product Name	8-Ethyl 8-Methyl 1,4-Dioxaspiro[4.5]Decane-8,8-Dicarboxylate
CAS No.	340022-79-9
Molecular Formula	C15H24O6
Molecular Weight	300.35 g/mol
Synonyms	8-Ethyl-8-methyl-1,4-dioxaspiro[4.5]decane-8,8-dicarboxylic acid diethyl ester; Diethyl 8-ethyl-8-methyl-1,4-dioxaspiro[4.5]decane-8,8-dicarboxylate; 1,4-Dioxaspiro[4.5]decane-8,8-dicarboxylic acid, 8-ethyl-8-methyl-, diethyl ester; Spirocyclic ketal diester; Ethyl 8-ethyl-8-methyl-1,4-dioxaspiro[4.5]decane-8-carboxylate (related); CAS 340022-79-9
EINECS	Contact for details

Quality Control

Our 8-Ethyl 8-Methyl 1,4-Dioxaspiro[4.5]Decane-8,8-Dicarboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container should be kept tightly sealed to prevent moisture absorption.

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%
Residue on Ignition	≤ 0.1%

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