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Pregnanedione CAS NO 128-23-4
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CAS No.:128-23-4
Grade:Pharmacy Grade
Content:99.0%
Brand:Customizable
Packaging:Customizable
Description
Pregnanedione CAS NO 128-23-4 is a high-purity steroid intermediate, specifically the 20α-hydroxy derivative of progesterone. This compound is a critical building block in the synthesis of various steroidal pharmaceuticals and fine chemicals. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, biotechnology, and life science sectors for the development of hormone-based therapies and advanced chemical research.
Application
- Pharmaceutical Intermediate: A key precursor in the synthesis of corticosteroids, progestogens, and other therapeutic steroid molecules.
- Biochemical Research: Used as a reference standard and reagent in metabolic pathway studies and enzymatic assays related to steroidogenesis.
- Fine Chemical Synthesis: Serves as a versatile starting material for creating specialized steroidal compounds for academic and industrial research.
- Hormone Analog Development: Employed in R&D for modifying steroid structures to develop new drug candidates with targeted biological activity.
Basic Information
| Product Name | Pregnanedione |
| CAS No. | 128-23-4 |
| Molecular Formula | C21H32O2 |
| Molecular Weight | 316.48 g/mol |
| Synonyms | 20α-Hydroxy-4-pregnen-3-one; 20α-Hydroxyprogesterone; 20α-OHP; 4-Pregnen-20α-ol-3-one; 20α-Dihydroprogesterone; NSC 88915; 20α-Hydroxypregn-4-en-3-one |
| EINECS | 204-885-9 |
Quality Control
Our Pregnanedione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is light-sensitive (store away from light) and should be handled to minimize exposure to air and moisture.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to reference spectrum |
| Identification (HPLC) | Retention time matches reference standard |
| Assay (HPLC) | ≥ 98.0% |
| Melting Point | Contact for details |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals | ≤ 20 ppm |
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.






