Description

(20R)-20-Hydroxy-5α-Pregn-9(11)-En-12-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 more complex steroid-based active pharmaceutical ingredients (APIs). It is primarily needed by research institutions and manufacturers in the pharmaceutical and fine chemical industries engaged in steroid hormone development and production.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of steroidal drugs, including corticosteroids and other hormone-based therapies.
• Research & Development: Used in academic and industrial laboratories for studying steroid metabolism, structure-activity relationships (SAR), and developing new therapeutic compounds.
• Reference Standard: Serves as a certified reference material (CRM) for analytical method development, validation, and quality control in pharmaceutical analysis.
• Fine Chemical Synthesis: Employed in the custom synthesis of specialized steroid derivatives for various biochemical and pharmacological applications.

Basic Information

Product Name	(20R)-20-Hydroxy-5α-Pregn-9(11)-En-12-One
CAS No.	7704-94-1
Molecular Formula	C21H32O2
Molecular Weight	316.48 g/mol
Synonyms	20(R)-Hydroxypregn-9(11)-en-12-one; 20α-Hydroxy-5α-pregn-9(11)-en-12-one; 5α-Pregn-9(11)-ene-12,20-dione, 20-hydroxy-; 20-Hydroxy-5α-pregn-9(11)-en-12-one; 12-Oxo-20-hydroxy-5α-pregn-9(11)-ene; 20R-Hydroxy-5α-pregn-9(11)-en-12-one
EINECS	Contact for details

Quality Control

Our (20R)-20-Hydroxy-5α-Pregn-9(11)-En-12-One is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets the high standards required for pharmaceutical R&D and synthesis. 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, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Rotation	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.