Description

(24R)-5α-Ergostane CAS NO 50897-35-3 is a high-purity steroidal compound belonging to the ergostane class, serving as a critical intermediate and reference standard in advanced chemical synthesis. Its defined stereochemistry and structural framework make it an essential building block for research and development in complex organic molecules. This compound is primarily utilized by pharmaceutical R&D laboratories, academic research institutions, and specialty chemical manufacturers focused on steroid chemistry and natural product derivatives.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of novel steroid-based active pharmaceutical ingredients (APIs) and drug candidates.
• Biochemical Research: Used as a reference standard and probe in studies of sterol biosynthesis, membrane biology, and enzyme mechanisms.
• Natural Product Synthesis: Serves as a foundational scaffold for the semi-synthesis of complex natural products and their analogs.
• Analytical Standard: Employed as a high-purity certified reference material (CRM) for method development and quality control in analytical laboratories (HPLC, GC-MS).
• Academic & Industrial R&D: Fundamental material for investigating structure-activity relationships (SAR) and developing new chemical entities in medicinal chemistry.

Basic Information

Product Name	(24R)-5α-Ergostane
CAS No.	50897-35-3
Molecular Formula	C₂₈H₅₀
Molecular Weight	386.70 g/mol
Synonyms	(24R)-5α-Ergostane; 5α-Ergostane; Ergostane; (24R)-Ergostane; 5α,24R-Ergostane; 24R-Ergostane; 5α-Ergostan-3β-ol (related alcohol); Stigmastane derivative
EINECS	Contact for details

Quality Control

Our (24R)-5α-Ergostane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, spectroscopic identification (IR, NMR), and specific optical rotation verification to ensure structural integrity and chiral purity. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

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 reference spectrum
Purity (HPLC)	≥ 98.0%
Specific Optical Rotation	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.