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(18α)-Urs-20-Ene-3,16-Dione CAS NO 66965-51-3
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CAS No.:66965-51-3
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
(18α)-Urs-20-Ene-3,16-Dione is a high-purity, semi-synthetic triterpenoid derivative with a defined steroidal-like structure. This compound is valued as a critical intermediate in advanced pharmaceutical research and fine chemical synthesis, offering a versatile scaffold for further chemical modifications. It is primarily sought by research institutions and manufacturers in the pharmaceutical, biotechnology, and specialty chemical sectors for developing novel therapeutic agents and high-value chemical entities.
Application
- Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel steroid analogs and bioactive triterpenoids for drug discovery programs.
- Biochemical Research: Used as a reference standard or precursor in metabolic pathway studies and enzyme inhibition assays.
- Fine Chemical Synthesis: Acts as a starting material for the production of specialized derivatives used in cosmetics and personal care ingredient development.
- Academic Research: Employed in university and institutional labs for organic chemistry research and the study of structure-activity relationships (SAR).
Basic Information
| Product Name | (18α)-Urs-20-Ene-3,16-Dione |
| CAS No. | 66965-51-3 |
| Molecular Formula | C30H46O2 |
| Molecular Weight | 438.70 g/mol |
| Synonyms | Urs-20-ene-3,16-dione, (18α)-; 18α-Urs-20-ene-3,16-dione; 3,16-Dioxours-20-ene; (18α)-Urs-20-Ene-3,16-Dione; 18α-H-Urs-20-ene-3,16-dione; Ursane-3,16-dione derivative; Triterpenoid dione |
| EINECS | Contact for details |
Quality Control
Our (18α)-Urs-20-Ene-3,16-Dione is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by spectroscopic methods, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). Keep the container tightly sealed in a dry environment to maintain stability.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Purity (HPLC) | ≥ 98.0% |
| 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.
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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.






