Description

13-Oxadispiro[5.0.5.1]tridecan-1-one (6Ci,8Ci,9Ci) is a specialized spirocyclic ketone compound with the CAS registry number 26870-38-2. This unique molecular architecture makes it a valuable intermediate for advanced organic synthesis and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the fine chemical and life sciences industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring complex, three-dimensional spirocyclic cores.
• Agrochemical Research: Used in the development of new crop protection agents, where its unique structure can contribute to novel modes of action and improved biological activity.
• Material Science: Acts as a precursor for advanced polymers, ligands, or functional materials that benefit from rigid, spirocyclic components to enhance thermal stability or specific optical properties.
• Organic Synthesis & Methodology: Employed as a challenging substrate in academic and industrial research to develop new catalytic reactions, ring-forming transformations, and stereoselective syntheses.
• Flavor & Fragrance Chemistry: Potential use in the synthesis of high-value aroma chemicals and musk analogs, leveraging its complex ketone functionality and structural uniqueness.

Basic Information

Product Name	13-Oxadispiro[5.0.5.1]tridecan-1-one (6Ci,8Ci,9Ci)
CAS No.	26870-38-2
Molecular Formula	C₁₂H₁₈O₂
Molecular Weight	194.27 g/mol
Synonyms	13-Oxadispiro[5.0.5.1]tridecan-1-one; 1-Oxaspiro[5.5]undecan-2-one, 4,4-pentamethylene-; 4,4-Pentamethylene-1-oxaspiro[5.5]undecan-2-one; Spiro[1-oxacycloundecane-2,1'-cyclopentan]-4-one; 26870-38-2; 13-Oxadispiro[5.0.5.1]tridecane-1-one
EINECS	Contact for details

Quality Control

Every batch of 13-Oxadispiro[5.0.5.1]tridecan-1-one is produced and tested under a strict quality management system to ensure high purity, consistency, and traceability. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider 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.