Description

(25R)-3α-(L-Arabinopyranosyloxy)-5β-Spirostan-2β-Ol CAS NO 5491-96-3 is a specific, high-purity steroidal saponin derivative, a compound of significant interest in advanced pharmaceutical research and development. Its precise stereochemistry and functional groups make it a valuable intermediate for the synthesis of novel bioactive molecules and reference standard for analytical purposes. This product is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors who require well-defined, high-quality building blocks for drug discovery and process development.

Application

• Pharmaceutical Intermediate: Serves as a key chiral starting material or intermediate in the synthesis of steroidal drugs and novel therapeutic agents.
• Reference Standard: Used as a high-purity analytical standard in HPLC, LC-MS, and NMR for quality control and method validation in pharmaceutical analysis.
• Biochemical Research: Employed in studies investigating the structure-activity relationships (SAR) of steroidal compounds and their biological pathways.
• Fine Chemical Synthesis: A valuable precursor for the preparation of specialized steroidal derivatives with potential applications in various industries.
• Academic Research: Utilized in university and institutional laboratories for chemical synthesis projects and pharmacological studies.

Basic Information

Product Name	(25R)-3α-(L-Arabinopyranosyloxy)-5β-Spirostan-2β-Ol
CAS No.	5491-96-3
Molecular Formula	C33H52O8
Molecular Weight	576.77 g/mol
Synonyms	3β-(L-Arabinopyranosyloxy)-5β-spirostan-2β-ol; (25R)-2β,3β-Dihydroxyspirost-5-en-3β-yl α-L-arabinopyranoside; 2β,3β-Dihydroxy-5β-spirostan-3β-yl α-L-arabinopyranoside; Tigogenin 3β-yl α-L-arabinopyranoside derivative; Steroidal saponin derivative; 5491-96-3; (25R)-Spirostan derivative
EINECS	Contact for details

Quality Control

Our (25R)-3α-(L-Arabinopyranosyloxy)-5β-Spirostan-2β-Ol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and specific tests for residual solvents and impurities. A Certificate of Analysis (COA) detailing all specifications and results is provided to ensure traceability and compliance with your research or cGMP-grade requirements.

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 accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Specific Rotation	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.