Description

5-A-Pregn-2-En-20-One is a high-purity steroid intermediate of significant importance in pharmaceutical synthesis. This compound serves as a critical building block for the development of various steroid-based active pharmaceutical ingredients (APIs). It is primarily utilized by research institutions and manufacturers in the pharmaceutical and fine chemical industries engaged in the production of corticosteroids, progestogens, and other therapeutic agents.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of corticosteroid and progestogen APIs.
• Research & Development: Used in medicinal chemistry for the discovery and development of novel steroid-based therapeutics.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing specialized steroid derivatives.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in pharmaceutical laboratories.

Basic Information

Product Name	5-A-Pregn-2-En-20-One
CAS No.	969-72-2
Molecular Formula	C21H32O
Molecular Weight	300.48 g/mol
Synonyms	5α-Pregn-2-en-20-one; 5α-Pregnen-20-one; 20-Oxo-5α-pregn-2-ene; 5α-Pregn-2-en-20-one; NSC 172112; 5α-Pregn-2-en-20-one (8CI); 5α-Pregn-2-en-20-one (9CI)
EINECS	Contact for details

Quality Control

Our 5-A-Pregn-2-En-20-One 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 pharmaceutical R&D and synthesis. A Certificate of Analysis (COA) detailing all specifications is 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 hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are kept tightly sealed in a dry environment away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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