Description

(25S)-5α-Spirostan-25-Ol CAS NO 24744-39-6 is a high-purity steroidal sapogenin derivative, a key intermediate in the synthesis of complex bioactive molecules. Its defined stereochemistry at the C-25 position is critical for ensuring the efficacy and specificity of downstream pharmaceutical compounds. This compound is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers focused on steroid-based drug discovery and production.

Application

• Pharmaceutical Intermediate: A crucial chiral building block for the synthesis of steroidal drugs, including corticosteroids, hormones, and other therapeutic agents.
• Research & Development: Used in academic and industrial R&D for studying steroid biosynthesis, metabolism, and structure-activity relationships (SAR).
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in pharmaceutical analysis.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex natural products and specialized organic molecules requiring a steroidal backbone.
• Biochemical Studies: Utilized as a precursor or inhibitor in enzymatic studies related to steroidogenic pathways.

Basic Information

Product Name	(25S)-5α-Spirostan-25-Ol
CAS No.	24744-39-6
Molecular Formula	C27H44O3
Molecular Weight	416.64 g/mol
Synonyms	(25S)-Spirostan-25-ol; 25S-Spirostan-25-ol; (25S)-5α-Spirostan-3β-ol; Tigogenin (Note: Tigogenin is a closely related, common sapogenin; this specific stereoisomer may be referred to in context); 5α,25S-Spirostan-3β-ol; 3β-Hydroxy-(25S)-5α-spirostan; (25S)-5α-Spirostan-3β,25-diol (if considering the 25-ol); 24744-39-6 (CAS-based reference)
EINECS	Contact for details

Quality Control

Our (25S)-5α-Spirostan-25-Ol is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, to ensure it meets the exacting standards required for pharmaceutical intermediates and research applications. A Certificate of Analysis (COA) detailing identity, purity, and specific test results 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). Keep the container sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% (25S-isomer)
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.