Description

(17E,23R)-4α,23-Dimethyl-5α-Ergost-17(20)-En-3β-Ol is a high-purity, synthetic sterol derivative of significant interest in advanced research and development. This compound serves as a critical intermediate and reference standard for the synthesis of novel bioactive molecules and the study of sterol metabolism. It is primarily utilized by pharmaceutical R&D teams, academic research institutions, and specialty chemical manufacturers focused on steroid chemistry, drug discovery, and biochemical pathway analysis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel steroid-based therapeutics and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard and probe in studies of sterol biosynthesis, enzyme inhibition, and metabolic pathways.
• Reference Material: Serves as a high-purity certified reference material (CRM) for analytical method development and validation in quality control laboratories.
• Academic & Discovery Chemistry: A valuable reagent for medicinal chemistry programs targeting receptors and enzymes within the steroid signaling network.
• Specialty Chemical Synthesis: Employed in the production of advanced fine chemicals and custom sterol derivatives for various industrial applications.

Basic Information

Product Name	(17E,23R)-4α,23-Dimethyl-5α-Ergost-17(20)-En-3β-Ol
CAS No.	77617-71-1
Molecular Formula	C30H50O
Molecular Weight	426.72 g/mol
Synonyms	4α,23-Dimethyl-5α-ergost-17(20)-en-3β-ol; (17E,23R)-4α,23-Dimethyl-5α-ergost-17(20)-en-3β-ol; 5α-Ergost-17(20)-en-3β-ol, 4α,23-dimethyl-, (17E,23R)-; 77617-71-1; 4α,23-Dimethyl-5α-ergosta-17(20)-en-3β-ol; Dimethylergostenol; A sterol derivative
EINECS	Contact for details

Quality Control

Our (17E,23R)-4α,23-Dimethyl-5α-Ergost-17(20)-En-3β-Ol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with customer specifications and relevant industry standards for research chemicals.

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 (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.