Description

25-Ethyl-27-Nor-5α-Stigmast-25-En-3β-Ol is a high-purity sterol derivative, a key intermediate in the synthesis of advanced pharmaceutical compounds and fine chemicals. Its value lies in its defined molecular structure, which provides a crucial scaffold for developing novel therapeutic agents and high-value research materials. This product is essential for R&D and production teams in the pharmaceutical, biotechnology, and specialty chemical industries seeking reliable, high-quality building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: A critical starting material or intermediate in the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or probe in metabolic pathway studies, receptor binding assays, and sterol biosynthesis research.
• Fine Chemical Synthesis: Serves as a versatile chiral building block for creating complex molecules in agrochemical and material science applications.
• Nutraceutical Development: Investigated for potential use in the development of advanced dietary supplements and functional food ingredients.
• Academic & Industrial R&D: Employed in laboratories for method development, chemical education, and exploratory synthesis projects.

Basic Information

Item	Detail
Product Name	25-Ethyl-27-Nor-5α-Stigmast-25-En-3β-Ol
CAS No.	81306-60-7
Molecular Formula	C₃₁H₅₂O
Molecular Weight	440.75 g/mol
Synonyms	25-Ethyl-27-nor-5α-stigmast-25-en-3β-ol; 25-Ethyl-27-norcholest-5-en-3β-ol (related structural name); 3β-Hydroxy-25-ethyl-27-nor-5α-stigmast-25-ene; Sterol derivative 81306-60-7; 5α-Stigmast-25-en-3β-ol, 25-ethyl-27-nor-; (3β)-25-Ethyl-27-nor-5α-stigmast-25-en-3-ol
EINECS	Contact for details

Quality Control

Every batch of 25-Ethyl-27-Nor-5α-Stigmast-25-En-3β-Ol is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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