Description

(17Z)-5α-Pregn-17(20)-En-16-One CAS NO 54548-12-8 is a high-purity steroid derivative and a key synthetic intermediate in organic chemistry. This compound is valued for its defined stereochemistry and structural framework, which is essential for constructing more complex bioactive molecules. It is primarily required by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the synthesis of steroid-based APIs, reference standards, and novel chemical entities.

Application

• Pharmaceutical Intermediate: A critical building block in the multi-step synthesis of steroidal active pharmaceutical ingredients (APIs) and hormones.
• Research & Development: Used in academic and industrial R&D for studying steroid metabolism, receptor binding, and structure-activity relationships (SAR).
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.
• Fine Chemical Synthesis: Employed in custom synthesis and process development for creating novel steroid analogs and specialty chemicals.
• Biochemical Research: Utilized as a precursor or inhibitor in biochemical pathways and enzymatic studies related to steroidogenesis.

Basic Information

Product Name	(17Z)-5α-Pregn-17(20)-En-16-One
CAS No.	54548-12-8
Molecular Formula	C21H30O
Molecular Weight	298.47 g/mol
Synonyms	5α-Pregn-17(20)-en-16-one; 16-Oxo-5α-pregn-17(20)-ene; (17Z)-5α-Pregn-17(20)-en-16-one; 5α-Pregna-17(20),16-diene; Pregn-17(20)-en-16-one derivative; Steroid intermediate 54548-12-8
EINECS	Contact for details

Quality Control

Our (17Z)-5α-Pregn-17(20)-En-16-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 stringent specifications for research and synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (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.