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19-Hydroxy-4-Androsten-17-One CAS NO 121739-39-7
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CAS No.:121739-39-7
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
19-Hydroxy-4-Androsten-17-One is a key steroid intermediate of significant importance in pharmaceutical synthesis. This compound serves as a crucial building block for the production of various active pharmaceutical ingredients (APIs) and other high-value steroid derivatives. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors for advanced synthesis and development projects.
Application
- Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
- Biochemical Research: Used as a reference standard or starting material in metabolic pathway studies and endocrine research.
- Fine Chemical Synthesis: Employed in the production of specialized steroid derivatives for various high-purity applications.
- Process Development: Serves as a key material for scaling up and optimizing synthetic routes in pilot plants and commercial manufacturing.
Basic Information
| Product Name | 19-Hydroxy-4-Androsten-17-One |
| CAS No. | 121739-39-7 |
| Molecular Formula | C19H28O2 |
| Molecular Weight | 288.43 g/mol |
| Synonyms | 19-Hydroxyandrost-4-en-17-one; 19-Hydroxy-4-androsten-17-one; 19-Hydroxyandrostenedione; 19-Hydroxy-δ4-androstene-3,17-dione; 19-Hydroxy-AD; 19-OH-AD; 19-Hydroxy-4-androstene-3,17-dione |
| EINECS | Contact for details |
Quality Control
Our 19-Hydroxy-4-Androsten-17-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical intermediate applications. Certificates of Analysis (COA) detailing all specifications are available upon request.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Assay (HPLC) | ≥ 98.0% |
| Related Substances (HPLC) | Total impurities ≤ 2.0% |
| 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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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.






