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11-Pregnene-3,20-Dione CAS NO 26423-79-0
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CAS No.:26423-79-0
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
11-Pregnene-3,20-Dione is a high-purity steroid intermediate of significant importance in pharmaceutical research and development. This compound serves as a critical building block for the synthesis of more complex steroid-based active pharmaceutical ingredients (APIs). It is primarily utilized by manufacturers and research institutions in the pharmaceutical, biotechnology, and fine chemical sectors for the development of therapeutic agents and reference standards.
Application
- Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of corticosteroid and other steroid-based APIs.
- Research & Development: Used as a reference standard and starting material in medicinal chemistry for developing new therapeutic compounds.
- Biochemical Research: Employed in studies investigating steroid hormone pathways, metabolism, and receptor interactions.
- Fine Chemical Synthesis: Serves as a versatile chiral building block for the preparation of specialized organic molecules.
Basic Information
| Product Name | 11-Pregnene-3,20-Dione |
| CAS No. | 26423-79-0 |
| Molecular Formula | C21H30O2 |
| Molecular Weight | 314.46 g/mol |
| Synonyms | 11-Dehydroprogesterone; 11-Dehydroprogesterone (6CI); 11-Oxoprogesterone; 4-Pregnene-3,20-dione, 11-oxo-; 11-Oxo-4-pregnene-3,20-dione; NSC 11319; 11-Dehydroprogesteron; 11-Ketoprogesterone |
| EINECS | Contact for details |
Quality Control
Our 11-Pregnene-3,20-Dione is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, related substances, and identification. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliable supply for critical research and production needs.
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). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent degradation from atmospheric 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.






