

share
5-Ethyl-9-[3-(p-Chlorobenzoyl)Propyl]-1-Oxa-3,9-Diazaspiro[5.5]Undecan-2-One CAS NO 54981-21-4
Unit Price:
CAS No.:54981-21-4
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
5-Ethyl-9-[3-(p-Chlorobenzoyl)Propyl]-1-Oxa-3,9-Diazaspiro[5.5]Undecan-2-One is a high-purity, complex organic compound featuring a spirocyclic structure, which is of significant interest in advanced pharmaceutical research and development. This compound serves as a critical pharmaceutical intermediate or active pharmaceutical ingredient (API) building block, enabling the synthesis of novel therapeutic agents. It is primarily needed by R&D laboratories, custom synthesis providers, and pharmaceutical manufacturers focused on developing new drugs, particularly in the central nervous system (CNS) and other therapeutic areas.
Application
- Pharmaceutical Intermediate: A key building block in the multi-step synthesis of novel active pharmaceutical ingredients (APIs).
- Drug Discovery & Research: Used in medicinal chemistry programs for structure-activity relationship (SAR) studies and lead optimization.
- Custom Synthesis: Serves as a starting material or advanced intermediate for contract research and manufacturing organizations (CRAMOs).
- Reference Standard: Employed as an analytical standard for quality control and method development in pharmaceutical analysis.
- Biochemical Research: Utilized in studies investigating specific biological pathways and receptor interactions.
Basic Information
| Item | Details |
|---|---|
| Product Name | 5-Ethyl-9-[3-(p-Chlorobenzoyl)Propyl]-1-Oxa-3,9-Diazaspiro[5.5]Undecan-2-One |
| CAS No. | 54981-21-4 |
| Molecular Formula | C22H31ClN2O3 |
| Molecular Weight | 406.95 g/mol |
| Synonyms | 5-Ethyl-9-[3-(4-chlorobenzoyl)propyl]-1-oxa-3,9-diazaspiro[5.5]undecan-2-one; 1-Oxa-3,9-diazaspiro[5.5]undecan-2-one, 5-ethyl-9-[3-(4-chlorobenzoyl)propyl]-; CAS 54981-21-4; UNII-9K8V7JQ49D; 9K8V7JQ49D; Spirocyclic benzamide derivative; p-Chlorobenzoyl propyl substituted oxadiazaspiro compound |
| EINECS | Contact for details |
Quality Control
Our 5-Ethyl-9-[3-(p-Chlorobenzoyl)Propyl]-1-Oxa-3,9-Diazaspiro[5.5]Undecan-2-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are available for every lot. We support compliance with cGMP and ICH guidelines for pharmaceutical intermediates.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Conforms to reference |
| Purity (HPLC) | ≥ 98.0% |
| Water Content (KF) | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals | ≤ 10 ppm |
| Single Unknown Impurity | ≤ 0.5% |
| Total Impurities | ≤ 2.0% |
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]Oxathiolane] (9Ci) CAS NO 172-68-9


Spiro[3.4]Octane CAS NO 175-56-4


2-Oxa-6-Thiaspiro[3.3]Heptane CAS NO 174-80-1


2-Oxa-6-Azaspiro[3.3]Heptane CAS NO 174-78-7


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


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


Spirobicyclobutane CAS NO 174-74-3


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


Spiro CAS NO 171-77-7


Spiro[1,3-Dioxolane-2,8'(9'H)-[7H-7,9A]Methanobenz[A]Azulene] CAS NO 171-00-6


Spiro(6,10-(Epoxymethano))-10H-Cyclopenta(A)Phenanthrene CAS NO 163-77-9


9,9'-Spirobi[9H-Fluorene] CAS NO 159-66-0


Spiro[Fluorene-9,9'-Xanthene] CAS NO 159-62-6


9,9'-Spirobi[9H-Xanthene] CAS NO 159-49-9


1-Oxaspiro[2.3]Hexane CAS NO 157-48-2


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





