Description

(25R)-5α-Spirostan-12-One CAS NO 54965-88-7 is a high-purity steroidal sapogenin derivative, a key intermediate in the synthesis of various bioactive compounds. Its defined stereochemistry and functional groups make it a valuable building block for pharmaceutical research and development. This compound is primarily sought by manufacturers and research institutions in the pharmaceutical, agrochemical, and fine chemical sectors for the production of steroid-based drugs and other specialized chemicals.

Application

• Pharmaceutical Intermediate: A crucial starting material for the synthesis of steroidal drugs, including certain hormones and anti-inflammatory agents.
• Research & Development: Used in academic and industrial laboratories for studying steroid biosynthesis, metabolism, and structure-activity relationships (SAR).
• Agrochemical Synthesis: Serves as a precursor in the development of plant growth regulators and other bioactive agrochemicals.
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals and other sapogenin derivatives.
• Reference Standard: Used as an analytical standard in quality control laboratories for the identification and quantification of related compounds.

Basic Information

Product Name	(25R)-5α-Spirostan-12-One
CAS No.	54965-88-7
Molecular Formula	C27H42O4
Molecular Weight	430.62 g/mol
Synonyms	(25R)-Spirostan-12-one; 5α-Spirostan-12-one, (25R)-; 12-Oxosarsasapogenin; Tigogenone; (25R)-5α-Spirostan-12-one; 12-Ketotigogenin; Tigogen-12-one; Tigogenone (25R)
EINECS	Contact for details

Quality Control

Our (25R)-5α-Spirostan-12-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and synthesis applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, related substances, and physical characteristics.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

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%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.