

share
4-Pregnene-3Alpha-Ol-20-One CAS NO 25680-68-6
Unit Price:
CAS No.:25680-68-6
Grade:Pharmacy Grade
Content:99.0%
Brand:Customizable
Packaging:Customizable
Description
4-Pregnene-3Alpha-Ol-20-One is a high-purity steroid intermediate of significant importance in pharmaceutical synthesis. This compound serves as a critical building block for the production of various steroid-based active pharmaceutical ingredients (APIs). It is essential for manufacturers in the pharmaceutical and fine chemical industries requiring reliable, high-quality raw materials for research, development, and commercial production.
Application
- Pharmaceutical Intermediate: A key precursor in the synthesis of steroidal hormones and related therapeutic agents.
- Research & Development: Used in academic and industrial laboratories for the development of new steroid-based compounds and metabolic studies.
- Fine Chemical Synthesis: Employed in multi-step organic synthesis to introduce specific steroidal frameworks into target molecules.
- Reference Standard: Serves as a certified reference material (CRM) for analytical method development and quality control in pharmaceutical testing.
Basic Information
| Product Name | 4-Pregnene-3Alpha-Ol-20-One |
| CAS No. | 25680-68-6 |
| Molecular Formula | C21H32O2 |
| Molecular Weight | 316.48 g/mol |
| Synonyms | 3α-Hydroxypregn-4-en-20-one; 3α-Hydroxy-4-pregnen-20-one; 20-Oxo-4-pregnen-3α-ol; Pregn-4-ene-3α,20-diol-20-one; 3α-Hydroxypregn-4-ene-20-one; 4-Pregnene-3α-ol-20-one; 3α-Hydroxy-4-pregnene-20-one |
| EINECS | Contact for details |
Quality Control
Our 4-Pregnene-3Alpha-Ol-20-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 intermediates. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and batch-to-batch consistency.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to maintain optimal purity.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to reference spectrum |
| Purity (HPLC) | ≥ 98.0% |
| Melting Point | Specified range |
| 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.
Hot Related Products


1,3-Azulenedicarboxylic Acid, 2-Amino- CAS NO 91493-47-9


2-Propenoic Acid 2-([1,1'-Biphenyl]-2-Yloxy)Ethyl Ester CAS NO 91442-24-9


2-Methyl-2-Adamantanol CAS NO 702-98-7


Poly(Butadiene-Co-Acrylonitrile), Dicarboxy Terminated CAS NO 68891-46-3


4,4'-[9H-Fluoren-9-Ylidenebis(4,1-Phenyleneoxy)]Bisbenzenamine CAS NO 47823-88-1


Isophytol CAS NO 505-32-8


Benzenemethanol, 3,4,5-Tris(Octadecyloxy)- CAS NO 233281-31-7


o-304 CAS NO 1261289-04-6


4,4-Bismaleimidodiphenylether(44Oda/Bmi) CAS NO 13132-94-0


1-Chloro-2-(1-Chlorocyclopropyl)-3-(2-Chlorophenyl)Propan-2-Ol CAS NO 134818-67-0


Alpha,Alpha,Alpha'-Tris(4-Hydroxyphenyl)-1-Ethyl-4-Isopropylbenzene CAS NO 110726-28-8


5-Ethylidene-2-Norbornene CAS NO 16219-75-3


4-Hydroxybenzylideneacetone CAS NO 3160-35-8


Cbdp CAS NO 55824-13-0


Sodium 1-Palmitoyl-L-Prolinate CAS NO 58725-33-0


(R)-(-)-1,3-Butanediol CAS NO 6290-03-5


Aniline-Heptaldehyde Reaction Product CAS NO 9003-50-3


[(1S,2S,6R)-5,6-Diacetyloxy-1-Hydroxy-2-(2-Hydroxyethoxy)-1-Cyclohex-3 -Enyl]Methyl Benzoate CAS NO 10-05-9


2-Hydroxydibenzofuran-3-Carboxylic Acid CAS NO 118-36-5


Rac-Tocol CAS NO 119-98-2
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.






