Description

3-Oxaspiro[5.5]Undecane-9-Carboxylic Acid is a high-purity, versatile spirocyclic carboxylic acid building block. This compound is valued for its unique rigid, three-dimensional structure which imparts specific conformational properties to final molecules. It is primarily sought after by research chemists and process development scientists in the pharmaceutical and advanced materials sectors for the synthesis of novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new therapeutic agents, including central nervous system (CNS) drugs and enzyme inhibitors.
• Advanced Material Synthesis: Used as a monomer or cross-linking agent to introduce spirocyclic motifs into polymers, enhancing thermal stability and mechanical properties.
• Ligand and Catalyst Development: Serves as a precursor for creating novel chelating ligands and organocatalysts used in asymmetric synthesis.
• Fragrance and Flavor Chemistry: Employed in the synthesis of complex macrocyclic and spirocyclic musk analogs and specialty aroma chemicals.
• Agrochemical Research: Utilized as a building block for novel pesticides and herbicides, leveraging its structural complexity for targeted biological activity.
• Academic and R&D Laboratories: A valuable reagent for methodological studies in organic synthesis and medicinal chemistry.

Basic Information

Product Name	3-Oxaspiro[5.5]Undecane-9-Carboxylic Acid
CAS No.	10428-85-0
Molecular Formula	C10H16O3
Molecular Weight	184.23 g/mol
Synonyms	9-Carboxy-3-oxaspiro[5.5]undecane; 3-Oxaspiro[5.5]undecane-9-carboxylic acid; 9-Carboxy-3-oxaspiro[5.5]undecane; Oxaspiro[5.5]undecane-9-carboxylic acid; Spirocyclic oxa-carboxylic acid; 1-Oxaspiro[2.5]octane-6-carboxylic acid (related structural name); Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 3-Oxaspiro[5.5]Undecane-9-Carboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for research and process chemistry. Certificates of Analysis (COA) with detailed chromatograms and spectral data are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0% (Area %)
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.