Description

(20S)-22,25-Epoxy-4α,14-Dimethyl-5α-Cholest-8-En-3-One is a high-purity, synthetic steroid derivative with a complex, functionalized cholestane backbone. This compound serves as a critical advanced intermediate in the synthesis of specialized pharmaceutical agents and bioactive molecules. It is primarily required by research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers engaged in developing novel therapeutic compounds and conducting metabolic studies.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of novel steroid-based drugs and investigational compounds.
• Biochemical Research: Used as a reference standard or precursor in metabolic pathway studies and enzyme interaction research.
• Organic Synthesis: Serves as a sophisticated starting material for the preparation of complex natural product analogs and chiral molecules.
• API Development: Employed in the research and development phase of new Active Pharmaceutical Ingredients (APIs) targeting specific receptors.
• Academic Research: Utilized in university and institutional labs for chemical methodology development and structure-activity relationship (SAR) studies.

Basic Information

Product Name	(20S)-22,25-Epoxy-4α,14-Dimethyl-5α-Cholest-8-En-3-One
CAS No.	30311-58-1
Molecular Formula	C₂₉H₄₆O₂
Molecular Weight	426.68 g/mol
Synonyms	22,25-Epoxy-4α,14-dimethyl-5α-cholest-8-en-3-one; (20S)-22,25-Epoxy-4α,14-dimethyl-5α-cholest-8-en-3-one; 4α,14-Dimethyl-5α-cholest-8-ene-3,22,25-triol 22,25-epoxide; 3-Oxo-22,25-epoxy-4α,14-dimethyl-5α-cholest-8-ene; A functionalized cholestane derivative.
EINECS	Contact for details

Quality Control

Our (20S)-22,25-Epoxy-4α,14-Dimethyl-5α-Cholest-8-En-3-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing including HPLC, NMR, and MS to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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