Description

5,8-Dioxaspiro[3.4]Oct-2-En-1-One, 2,3-Dimethyl- (9Ci) is a specialized spirocyclic lactone compound that serves as a valuable synthetic intermediate in advanced organic chemistry. Its unique fused-ring structure makes it a critical building block for constructing complex molecular architectures with high precision. This high-purity intermediate is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those requiring complex spirocyclic or lactone frameworks.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, and insecticides with unique modes of action.
• Material Science: Building block for creating specialized polymers, liquid crystals, or organic electronic materials.
• Academic & Industrial R&D: Serves as a versatile scaffold in methodological chemistry research and process development for fine chemicals.
• Flavor & Fragrance Synthons: Potential intermediate for synthesizing complex odorants and flavoring agents with specific stereochemistry.

Basic Information

Product Name	5,8-Dioxaspiro[3.4]Oct-2-En-1-One, 2,3-Dimethyl- (9Ci)
CAS No.	679435-11-1
Molecular Formula	C9H12O3
Molecular Weight	168.19 g/mol
Synonyms	2,3-Dimethyl-5,8-dioxaspiro[3.4]oct-2-en-1-one; 2,3-Dimethyl-1-oxa-4,7-dioxaspiro[4.3]oct-2-ene-8-one; Spiro[3.4]oct-2-ene-1-one, 5,8-dioxa-2,3-dimethyl-; 2,3-Dimethyl-5,8-dioxaspiro[3.4]oct-2-enone
EINECS	Contact for details

Quality Control

Our production of 5,8-Dioxaspiro[3.4]Oct-2-En-1-One, 2,3-Dimethyl- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity suitable for sensitive R&D and scale-up processes. All materials are characterized using advanced analytical techniques, including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory documentation.

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). Keep the container tightly sealed when not in use to prevent moisture absorption or contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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