

share
1-Oxa-3-Azaspiro[5.5]Undecane-2,7-Dione(9Ci) CAS NO 165683-59-0
Unit Price:
CAS No.:165683-59-0
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
1-Oxa-3-Azaspiro[5.5]Undecane-2,7-Dione(9Ci) is a high-purity, specialized heterocyclic compound featuring a unique spirocyclic structure, making it a valuable synthetic intermediate. This compound is critical for advanced organic synthesis, particularly in the development of novel pharmacologically active molecules and complex organic materials. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for constructing complex molecular architectures.
Application
- Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for spirocyclic drug candidates targeting central nervous system (CNS) disorders.
- Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, where its spirocyclic core can contribute to unique biological activity and stability.
- Material Science Precursor: Acts as a monomer or precursor for synthesizing specialized polymers and advanced organic materials with specific thermal or optical properties.
- Academic & Contract Research: Employed in academic laboratories and CROs (Contract Research Organizations) for methodological studies in heterocyclic and spirocyclic chemistry.
- Ligand & Catalyst Development: Utilized as a scaffold for creating novel chiral ligands or organocatalysts used in asymmetric synthesis.
Basic Information
| Product Name | 1-Oxa-3-Azaspiro[5.5]Undecane-2,7-Dione(9Ci) |
| CAS No. | 165683-59-0 |
| Molecular Formula | C9H13NO3 |
| Molecular Weight | 183.20 g/mol |
| Synonyms | 1-Oxa-3-azaspiro[5.5]undecane-2,7-dione; 2,7-Dioxo-1-oxa-3-azaspiro[5.5]undecane; 1-Oxa-3-azaspiro[5.5]undecane-2,7-dione (9CI); Spiro[1,4-oxazepine-5,1'-cyclohexane]-2,7-dione; 1-Oxa-3-azaspiro[5.5]undecane-2,7-dione, 9CI; 165683-59-0. |
| EINECS | Contact for details |
Quality Control
Our 1-Oxa-3-Azaspiro[5.5]Undecane-2,7-Dione(9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and development applications. All products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance processes.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong acids, bases, and oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.
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% |
| Single Unknown Impurity (HPLC) | ≤ 1.0% |
| Total Impurities (HPLC) | ≤ 3.0% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


5,5',6,6'-Tetrahydroxy-3,3,3',3'-Tetramethyl-1,1'-Spirobisindane CAS NO 77-08-7


2,4,8,10-Tetraoxaspiro[5.5]Undecane, 3,9-Diethylidene- CAS NO 65967-52-4


Spirobiindane CAS NO 1568-80-5


3',3'-Dimethyl-6-Nitro-Spiro[2H-1-Benzopyran-2,2'-Indoline]-1'-Ethanol CAS NO 16111-07-2


Spiro[Bicyclo[2.2.1]Heptane-2,2-[1,3]Dioxolane] (9Ci) CAS NO 172-67-8


1,6-Dioxaspiro[4.4]Nonane CAS NO 176-25-0


Spiro[Bicyclo[2.2.1]Heptane-2,2-[1,3]Oxathiolane] (9Ci) CAS NO 172-68-9


1,4-Dioxa-7-Aza-Spiro[4.4]Nonane CAS NO 176-33-0


1,4-Dioxa-7-Thiaspiro[4.4]Nonane CAS NO 176-35-2


1',2'-Dihydrospiro[Cyclopropane-1,3'-Indole] CAS NO 174-66-3


1,4-Dithiaspiro[4.4]Nonane(7Ci,8Ci,9Ci) CAS NO 176-39-6


Spirobicyclobutane CAS NO 174-74-3


1,4,7-Trithia-Spiro[4.4]Nonane CAS NO 176-41-0


2-Oxaspiro[3,3]Heptane CAS NO 174-75-4


1,1'-Spirobipyrrolidinium CAS NO 176-49-8


Oxaspiropentane CAS NO 157-41-5


2,6-Diazaspiro[3.3]Heptane CAS NO 174-77-6


1,4,6,9-Tetraoxa-5$L^{4}-Telluraspiro[4.4]Nonane CAS NO 176-57-8


5-Oxaspiro[2,3]Hexane CAS NO 157-46-0


2-Oxa-6-Azaspiro[3.3]Heptane CAS NO 174-78-7
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






