Description

(23R,24S)-23-Ethyl-27-Norergosta-5,25-Dien-3β-Ol CAS NO 74137-07-8 is a high-purity sterol derivative characterized by its specific stereochemistry at the 23 and 24 positions. This compound is valued for its role as a critical intermediate in the synthesis of advanced pharmaceutical actives and fine chemicals, where precise molecular structure is paramount for biological activity. It is essential for research and development laboratories, as well as production facilities, in the pharmaceutical, agrochemical, and advanced material science sectors seeking to develop novel steroid-based therapeutics or functional compounds.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel steroid-based drugs and hormone analogs.
• Biochemical Research: Used as a reference standard or probe in metabolic pathway studies and receptor binding assays.
• Agrochemical Development: Serves as a precursor in creating new plant growth regulators or eco-friendly pesticides.
• Fine Chemical Synthesis: Employed in organic synthesis for constructing complex natural product analogs and specialty chemicals.
• Nutraceutical Research: Investigated for potential applications in developing advanced dietary supplements.
• Material Science: Potential precursor for liquid crystal materials or other functional organic compounds.

Basic Information

Product Name	(23R,24S)-23-Ethyl-27-Norergosta-5,25-Dien-3β-Ol
CAS No.	74137-07-8
Molecular Formula	C₂₉H₄₈O
Molecular Weight	412.70 g/mol
Synonyms	(23R,24S)-23-Ethyl-27-norergosta-5,25-dien-3β-ol; 27-Norergosta-5,25-dien-3β-ol, 23-ethyl-, (23R,24S)-; 23-Ethyl-27-norergosta-5,25-dien-3β-ol; Sterol derivative 74137-07-8; (3β,23R,24S)-23-Ethyl-27-norergosta-5,25-dien-3-ol; Norergostadienol derivative; 3β-Hydroxy-23-ethyl-27-norergosta-5,25-diene
EINECS	Contact for details

Quality Control

Our (23R,24S)-23-Ethyl-27-Norergosta-5,25-Dien-3β-Ol is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and stereochemical confirmation, to meet rigorous research and production standards. Certificates of Analysis (COA) detailing specific results for identity, purity, and impurities are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 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 reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Specific Rotation	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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