Description

(24R)-24-[(E)-1-Ethyl-1-Propenyl]-26,27-Dinorcholest-5-En-3β-Ol is a high-purity, synthetic sterol derivative of significant interest in advanced organic synthesis and pharmaceutical research. This compound serves as a critical chiral intermediate or building block for the development of novel therapeutic agents and bioactive molecules. It is primarily utilized by research institutions and pharmaceutical companies engaged in the synthesis of complex steroids, vitamin D analogs, and other specialized fine chemicals where precise stereochemistry is paramount.

Application

• Pharmaceutical Intermediate: Key chiral building block in the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Vitamin D Analog Research: Used as a precursor in the development and study of synthetic vitamin D metabolites and analogs.
• Steroid Chemistry: Serves as a specialized intermediate for modifying the steroid nucleus to create new compounds with targeted biological activity.
• Biochemical Research: Employed in studies investigating sterol metabolism, receptor binding, and enzyme interactions.
• Fine Chemical Synthesis: A valuable starting material for the production of other high-value, complex organic molecules in custom synthesis projects.

Basic Information

Product Name	(24R)-24-[(E)-1-Ethyl-1-Propenyl]-26,27-Dinorcholest-5-En-3β-Ol
CAS No.	70284-74-1
Molecular Formula	C₃₁H₅₂O
Molecular Weight	440.75 g/mol
Synonyms	(24R)-24-[(1E)-1-Ethyl-1-propen-1-yl]-26,27-dinorcholest-5-en-3β-ol; 24-Ethylidene-26,27-dinorcholest-5-en-3β-ol (stereospecific); (24R)-24-(1-Ethylprop-1-en-1-yl)-26,27-dinorcholest-5-en-3-ol; Sterol derivative 70284-74-1; Dinorcholestene derivative; 3β-Hydroxy-24-[(E)-1-ethylpropenyl]-26,27-dinorcholest-5-ene
EINECS	Contact for details

Quality Control

Our (24R)-24-[(E)-1-Ethyl-1-Propenyl]-26,27-Dinorcholest-5-En-3β-Ol is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC, NMR, and chiral analysis, to ensure high chemical and isomeric purity. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your research and development 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). This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term storage to prevent potential oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Chiral Purity	≥ 98.0% (24R isomer)
Loss on Drying	≤ 0.5%

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