Description

1,3-Dioxaspiro[4.4]Non-7-Ene-6,9-Dione,4-Ethyl-2,2-Dimethyl-(9Ci) is a high-purity, specialty spirocyclic compound with the CAS number 477842-76-5. This chemical serves as a valuable and versatile synthetic intermediate, particularly in advanced organic synthesis and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides requiring specific spirocyclic motifs.
• Material Science: Potential monomer or cross-linking agent in the development of specialty polymers and advanced organic frameworks.
• Organic Synthesis: Serves as a crucial precursor for Diels-Alder reactions and other cycloadditions to create complex, multi-ring systems.
• Fine Chemical Production: Employed in the custom synthesis of high-value, low-volume chemicals for research and development.
• Academic & Industrial R&D: A valuable tool for methodological studies and exploring new chemical spaces in both university and corporate laboratories.

Basic Information

Product Name	1,3-Dioxaspiro[4.4]Non-7-Ene-6,9-Dione,4-Ethyl-2,2-Dimethyl-(9Ci)
CAS No.	477842-76-5
Molecular Formula	C11H14O4
Molecular Weight	210.23 g/mol
Synonyms	4-Ethyl-2,2-dimethyl-1,3-dioxaspiro[4.4]non-7-ene-6,9-dione; 4-Ethyl-2,2-dimethyl-1,3-dioxaspiro[4.4]nona-7,9-diene-6,9-dione; Spiro[1,3-dioxolane-2,9'-bicyclo[4.4.0]deca-1,6-diene]-8,10-dione, 4-ethyl-4-methyl-; 477842-76-5; 1,3-Dioxaspiro[4.4]non-7-ene-6,9-dione, 4-ethyl-2,2-dimethyl-
EINECS	Contact for details

Quality Control

Every batch of 1,3-Dioxaspiro[4.4]Non-7-Ene-6,9-Dione,4-Ethyl-2,2-Dimethyl-(9Ci) is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency meet the high standards required for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing all specifications 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 (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

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.