Description

Spiro[5.5]Undeca-1,8-Dien-3-One is a specialized spirocyclic organic compound with the CAS registry number 30834-47-0. This unique bicyclic structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought by pharmaceutical, agrochemical, and fine chemical industries for applications in drug discovery, material science, and the synthesis of novel fragrance components.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Research: Used in the development of new pesticides, herbicides, and plant growth regulators.
• Fine Chemical Synthesis: Serves as a versatile precursor for creating specialty chemicals, flavors, and fragrances.
• Material Science: Investigated for the development of advanced polymers and organic electronic materials.
• Academic & Industrial R&D: A critical reagent for methodological studies in organic chemistry and catalysis.

Basic Information

Product Name	Spiro[5.5]Undeca-1,8-Dien-3-One
CAS No.	30834-47-0
Molecular Formula	C11H14O
Molecular Weight	162.23 g/mol
Synonyms	1,8-Dioxaspiro[5.5]undeca-2,9-diene; 1,8-Dioxaspiro[5.5]undeca-2,9-dien-4-one; Spiro[5.5]undeca-1,8-dien-3-one; 2,9-Dioxaspiro[5.5]undeca-3,10-dien-5-one; 1,8-Dioxaspiro[5.5]undeca-2,9-dien-4-one (alternative numbering); Spirocyclic enone; 30834-47-0
EINECS	Contact for details

Quality Control

Our Spiro[5.5]Undeca-1,8-Dien-3-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store this material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.