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(17α)-5α-Pregnan-20-One CAS NO 7704-90-7
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CAS No.:7704-90-7
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
(17α)-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 serves as a critical building block for the development of more complex molecules. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the synthesis of specialized steroids, hormone analogs, and other bioactive compounds.
Application
- Pharmaceutical Intermediate: A crucial precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs), particularly in steroid and hormone-related drug development.
- Biochemical Research: Used as a reference standard or starting material in metabolic pathway studies, receptor binding assays, and enzymatic research.
- Organic Synthesis: Serves as a versatile chiral building block for constructing complex molecular architectures in advanced synthetic chemistry.
- Reference Material: Employed in analytical laboratories for method development, calibration, and quality control testing of related steroid compounds.
Basic Information
| Product Name | (17α)-5α-Pregnan-20-One |
| CAS No. | 7704-90-7 |
| Molecular Formula | C21H34O |
| Molecular Weight | 302.50 g/mol |
| Synonyms | 5α-Pregnan-20-one; 17α-Pregnan-20-one; 20-Oxo-5α-pregnane; Dihydroprogesterone (5α); 5α-Dihydroprogesterone; NSC 11319; 5α-Pregnane-20-one |
| EINECS | Contact for details |
Quality Control
Our (17α)-5α-Pregnan-20-One is produced and tested under a rigorous quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to reference spectrum |
| Assay (HPLC) | ≥ 98.0% |
| Melting Point | Specification available upon request |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Related Substances (HPLC) | Individual impurity ≤ 0.5%; Total impurities ≤ 1.0% |
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.






