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11,20-Dihydroxy-3-Oxopregna-4,17(20)-Dien-21-Al CAS NO 3247-38-9
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CAS No.:3247-38-9
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
11,20-Dihydroxy-3-Oxopregna-4,17(20)-Dien-21-Al is a high-purity steroid derivative and a key synthetic intermediate in advanced pharmaceutical research and development. This compound matters for its critical role in the synthesis of complex steroid-based active pharmaceutical ingredients (APIs) and other bioactive molecules. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and fine chemical industries working on novel therapeutic agents.
Application
- Pharmaceutical Intermediate: A crucial building block for the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
- Biochemical Research: Used in academic and industrial laboratories to study steroid hormone pathways, receptor binding, and metabolic processes.
- Process Chemistry: Serves as a key starting material or intermediate in the scale-up and optimization of synthetic routes for complex organic molecules.
- Reference Standard: Employed as an analytical standard in quality control laboratories for method development and impurity profiling.
- Fine Chemical Synthesis: Utilized in the custom synthesis of specialized steroid derivatives for various investigational and commercial applications.
Basic Information
| Product Name | 11,20-Dihydroxy-3-Oxopregna-4,17(20)-Dien-21-Al |
| CAS No. | 3247-38-9 |
| Molecular Formula | C21H28O4 |
| Molecular Weight | 344.45 g/mol |
| Synonyms | 11β,20-Dihydroxy-3-oxopregna-4,17(20)-dien-21-al; 11β,20-Dihydroxypregna-4,17(20)-diene-3,21-dione; 11β-Hydroxy-20-oxopregna-4,17(20)-diene-3,21-dial; Pregna-4,17(20)-diene-3,21-dione, 11,20-dihydroxy-; 3247-38-9 |
| EINECS | Contact for details |
Quality Control
Our 11,20-Dihydroxy-3-Oxopregna-4,17(20)-Dien-21-Al is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Conforms to reference |
| Assay (HPLC) | ≥ 98.0% |
| Related Substances (HPLC) | Total impurities ≤ 2.0% |
| Loss on Drying | ≤ 1.0% |
| 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.






