

share
(5'S)-3α-[[Dimethyl(Pentafluorophenyl)Silyl]Oxy]-2',2',5'-Trimethylspiro[5β-Androstane-17,4'-[1,3]Dioxa[2]Silacyclopentane] CAS NO 69745-69-3
Unit Price:
CAS No.:69745-69-3
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
(5'S)-3α-[[Dimethyl(Pentafluorophenyl)Silyl]Oxy]-2',2',5'-Trimethylspiro[5β-Androstane-17,4'-[1,3]Dioxa[2]Silacyclopentane] is a highly specialized organosilicon derivative of an androstane steroid, designed for advanced synthetic and research applications. This compound is valued for its role as a protected intermediate or chiral building block in complex organic synthesis, particularly in pharmaceutical development. It is primarily utilized by research institutions and industrial R&D departments focused on steroid chemistry, medicinal chemistry, and the development of novel therapeutic agents.
Application
- Pharmaceutical Intermediate: Serves as a key chiral synthon in the multi-step synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
- Medicinal Chemistry Research: Used as a building block for constructing complex molecular libraries to study structure-activity relationships (SAR) and biological activity.
- Process Chemistry Development: Employed in route scouting and optimization for the scalable production of high-value steroid derivatives.
- Asymmetric Synthesis: Leverages its defined stereochemistry for the synthesis of enantiomerically pure compounds in academic and industrial research.
- Reference Standard: Can be used as an analytical standard for method development and quality control in steroid analysis.
- Material Science Precursor: Potential use in the development of advanced organic-inorganic hybrid materials due to its silane functional group.
Basic Information
| Product Name | (5'S)-3α-[[Dimethyl(Pentafluorophenyl)Silyl]Oxy]-2',2',5'-Trimethylspiro[5β-Androstane-17,4'-[1,3]Dioxa[2]Silacyclopentane] |
| CAS No. | 69745-69-3 |
| Molecular Formula | C32H43F5O3Si2 |
| Molecular Weight | 638.85 g/mol |
| Synonyms | 3α-[(Dimethyl(pentafluorophenyl)silyl)oxy]-2,2,5-trimethylspiro[5α-androstane-17,4'-[1,3]dioxa[2]silacyclopentane]; (5'S)-3α-[[Dimethyl(pentafluorophenyl)silyl]oxy]-2',2',5'-trimethylspiro[5β-androstane-17,4'-[1,3]dioxa[2]silacyclopentane]; Androstane silyl ether derivative; Pentafluorophenylsilyl-protected androstane; Steroid silyl ether; CAS 69745-69-3 |
| EINECS | Contact for details |
Quality Control
Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is characterized using advanced analytical techniques to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for each lot are available upon request. We adhere to a cGMP-compliant quality management system suitable for the production of research and pharmaceutical intermediates.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when opening to prevent degradation. Keep away from incompatible materials.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white solid |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Retention time matches reference |
| Purity (HPLC) | ≥ 95.0% |
| Water Content (KF) | ≤ 1.0% |
| Residual Solvents (GC) | Complies with ICH guidelines |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Ethyl Silicate CAS NO 78-10-4


Dimethylphenylsilane CAS NO 766-77-8


Methyltrichlorosilane CAS NO 75-79-6


Poly(Methylsilsesquioxane) CAS NO 68554-70-1


Carbinol (Hydroxyl) Terminated Polydimethylsiloxane CAS NO 67674-67-3


Silicone Oil CAS NO 63148-62-9


Dodecamethylcyclohexasiloxane CAS NO 540-97-6


4-(4-Ethenylphenyl)-2,2,6,6-Tetramethyl-4-[(Trimethylsilyl)Oxy]-3,5-Dioxa-2,4,6-Trisilaheptane CAS NO 18547-54-1


Ethyldichlorosilane CAS NO 1789-58-8


Allyldimethoxysilane CAS NO 18147-35-8


Diethylchlorosilane CAS NO 1609-19-4


Vinylmethyldimethoxysilane CAS NO 16753-62-1


9H-Fluorene, 2,2'-(Diphenylsilylene)Bis[9,9-Dimethyl- CAS NO 1208005-83-7


Aminopropyl Terminated Polydimethylsiloxane CAS NO 106214-84-0


Hexamethyldisiloxane CAS NO 107-46-0


3-Cyanopropyltriethoxysilane CAS NO 1067-47-6


Diiodosilane CAS NO 13760-02-6


Diethoxymethylsilane CAS NO 2031-62-1


Dichlorodimethylsilane CAS NO 75-78-5


Tetracosamethylundecasiloxane CAS NO 107-53-9
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.






