Description

(22S,23R,25R)-23-Bromo-5α-Spirostane CAS NO 4988-84-5 is a high-purity, steroidal brominated spirostane derivative, serving as a critical advanced intermediate in organic synthesis. This compound is valued for its defined stereochemistry and reactive bromine functionality, enabling precise chemical transformations. It is primarily utilized by research institutions and pharmaceutical developers for the synthesis of novel steroid-based compounds and bioactive molecules.

Application

• Pharmaceutical Intermediate: Key building block for the research and development of novel steroid-based therapeutics and active pharmaceutical ingredients (APIs).
• Chemical Synthesis: Advanced intermediate in organic synthesis for introducing steroidal frameworks or bromine functional groups into target molecules.
• Biochemical Research: Used as a reference standard or precursor in studies investigating steroid metabolism, receptor binding, and biological activity.
• Agrochemical Development: Potential intermediate in the synthesis of specialized plant growth regulators or bioactive agrochemicals with steroidal structures.
• Academic & Industrial R&D: Serves as a valuable starting material for methodological development and exploration of new chemical entities in both academic and industrial laboratories.

Basic Information

Product Name	(22S,23R,25R)-23-Bromo-5α-Spirostane
CAS No.	4988-84-5
Molecular Formula	C27H43BrO4
Molecular Weight	511.54 g/mol
Synonyms	23-Bromospirostane; 23-Bromo-5α-spirostan; (22S,23R,25R)-23-Bromospirostan; 23-Bromo-5α-spirostane; 23-Bromo-5α-spirostan-3β-ol; 23-Bromospirostan-3β-ol; 23-Bromo-5α-spirostan-3β-ol (22S,23R,25R)-form; 23-Bromodiosgenin derivative
EINECS	Contact for details

Quality Control

Our (22S,23R,25R)-23-Bromo-5α-Spirostane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Specific 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.