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3β,11α-Dihydroxy-5α-Pregnan-20-One CAS NO 565-91-3
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CAS No.:565-91-3
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
3β,11α-Dihydroxy-5α-Pregnan-20-One is a high-purity steroid derivative and a key intermediate in organic synthesis. This compound is valued for its defined stereochemistry and structural framework, which are critical for the development of more complex bioactive molecules. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in steroid chemistry, hormone research, and the synthesis of novel therapeutic agents.
Application
- Pharmaceutical Intermediate: A crucial building block in the multi-step synthesis of steroid-based active pharmaceutical ingredients (APIs) and other specialized hormones.
- Biochemical Research: Used as a reference standard or precursor in metabolic pathway studies, receptor binding assays, and endocrine system research.
- Organic Synthesis: Serves as a chiral starting material or intermediate for constructing complex natural products and other steroidal compounds with specific biological activity.
- Analytical Standard: Employed in quality control laboratories for method development, calibration, and verification in chromatographic analyses (e.g., HPLC, GC).
Basic Information
| Product Name | 3β,11α-Dihydroxy-5α-Pregnan-20-One |
| CAS No. | 565-91-3 |
| Molecular Formula | C21H34O3 |
| Molecular Weight | 334.49 g/mol |
| Synonyms | 3β,11α-Dihydroxy-5α-pregnan-20-one; 5α-Pregnane-3β,11α-diol-20-one; 20-Oxo-5α-pregnane-3β,11α-diol; 3β,11α-Dihydroxy-5α-pregnan-20-one; 11α-Hydroxy-3β-hydroxy-5α-pregnan-20-one; Pregnan-20-one, 3β,11α-dihydroxy-5α- |
| EINECS | Contact for details |
Quality Control
Our 3β,11α-Dihydroxy-5α-Pregnan-20-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling, to ensure it meets the stringent requirements for research and synthesis applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Purity (HPLC) | ≥ 98.0% |
| Melting Point | Specification available upon request |
| Loss on Drying | ≤ 1.0% |
| Residue on Ignition | ≤ 0.1% |
| Specific Rotation | Specification available upon request |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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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.






