Description

(24ξ)-6β-Methoxy-3α,5-Cyclo-27-Nor-5α-Stigmastan-25-One is a high-purity, structurally defined steroidal ketone derivative. This compound is valued for its role as a critical synthetic intermediate and reference standard in advanced pharmaceutical research and development. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and fine chemical sectors for the synthesis of novel steroid-based therapeutics and for analytical method development.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Reference Standard: Used as a high-purity analytical standard for quality control (QC), method validation, and regulatory submissions in pharmaceutical manufacturing.
• Biochemical Research: Employed in academic and industrial research to study steroid metabolism, receptor interactions, and biological pathways.
• Process Chemistry: Utilized in route scouting and optimization for the development of efficient and scalable synthetic processes.
• Fine Chemical Synthesis: Acts as a precursor for the preparation of specialized steroidal compounds with potential biological activity.

Basic Information

Product Name	(24ξ)-6β-Methoxy-3α,5-Cyclo-27-Nor-5α-Stigmastan-25-One
CAS No.	69081-93-2
Molecular Formula	C29H48O2
Molecular Weight	428.70 g/mol
Synonyms	6β-Methoxy-3α,5-cyclo-5α-stigmastan-25-one; 27-Nor-5α-stigmastan-25-one, 6β-methoxy-3α,5-cyclo-; (24ξ)-6β-Methoxy-3α,5-cyclo-27-nor-5α-stigmastan-25-one; 3α,5-Cyclo-5α-cholestan-6β-ol-25-one methyl ether (related structure); Steroidal ketone intermediate 69081-93-2.
EINECS	Contact for details

Quality Control

Our (24ξ)-6β-Methoxy-3α,5-Cyclo-27-Nor-5α-Stigmastan-25-One is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications and test results 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, well-ventilated area at controlled room temperature (15-25°C). This product is light-sensitive (store away from light) and should be handled under inert atmosphere to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Loss on Drying	≤ 0.5% w/w

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.