Description

(20S)-4α,14-Dimethyl-5α-Cholesta-8,24-Diene-3,22-Dione CAS NO 30311-57-0 is a high-purity steroidal dione compound of significant interest in advanced organic synthesis. This specialized intermediate is valued for its defined stereochemistry and functional groups, which serve as key building blocks for complex molecular architectures. It is primarily utilized by research institutions and pharmaceutical development companies engaged in the synthesis of novel steroid-based therapeutics and bioactive molecules.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of novel steroid-based drug candidates and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or starting material in metabolic pathway studies and steroid hormone research.
• Organic Synthesis: Serves as a versatile chiral building block for constructing complex natural products and specialized fine chemicals.
• Academic & R&D Laboratories: Employed in methodological development and exploratory chemistry within university and industrial research settings.

Basic Information

Product Name	(20S)-4α,14-Dimethyl-5α-Cholesta-8,24-Diene-3,22-Dione
CAS No.	30311-57-0
Molecular Formula	C₂₉H₄₄O₂
Molecular Weight	424.66 g/mol
Synonyms	(20S)-4α,14-Dimethyl-5α-cholesta-8,24-diene-3,22-dione; 4α,14-Dimethyl-5α-cholesta-8,24-diene-3,22-dione; 3,22-Dioxo-4α,14-dimethyl-5α-cholesta-8,24-diene; 5α-Cholesta-8,24-diene-3,22-dione, 4α,14-dimethyl-, (20S)-; Lanosterol derivative; Steroidal dione intermediate
EINECS	Contact for details

Quality Control

Our (20S)-4α,14-Dimethyl-5α-Cholesta-8,24-Diene-3,22-Dione is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the stringent requirements of research and development applications. 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 controlled room temperature (15-25°C). Due to its sensitivity, the material should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation, and containers must be kept tightly sealed to minimize exposure to air.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.