Description

3β-Acetyloxy-19,19-(Ethylenebisthio)Cholest-5-Ene is a high-purity, steroidal intermediate characterized by its unique 19,19-(ethylenebisthio) functionalization. This compound is of significant value in advanced pharmaceutical research and synthesis, serving as a critical precursor for the development of novel therapeutic agents and fine chemicals. It is primarily sought by R&D laboratories and manufacturers in the pharmaceutical, biotechnology, and specialty chemical sectors for process development and scale-up activities. The product is supplied with full analytical documentation to ensure batch-to-batch consistency and reliability.

Application

• Pharmaceutical Intermediate: A key building block in the synthetic pathway for novel steroidal drugs and active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial R&D for studying structure-activity relationships (SAR) and developing new chemical entities.
• Process Chemistry: Employed in process development and optimization for the scalable synthesis of complex organic molecules.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in analytical laboratories.
• Biochemical Research: Utilized in studies exploring enzyme inhibition, receptor binding, and other biochemical mechanisms involving steroidal frameworks.

Basic Information

Item	Details
Product Name	3β-Acetyloxy-19,19-(Ethylenebisthio)Cholest-5-Ene
CAS No.	1109-44-0
Molecular Formula	C₃₁H₅₀O₂S₂
Molecular Weight	518.86 g/mol
Synonyms	3β-Acetoxy-19,19-ethylenebis(thio)-5-cholestene; 19,19-Ethylenebis(thio)cholest-5-en-3β-yl acetate; 3β-Hydroxy-19,19-(ethylenebisthio)cholest-5-ene 3-acetate; Cholest-5-ene-3β,19-diol, 19,19-ethylenebis(thio)-, 3-acetate; 1109-44-0; 3β-Acetoxy-19,19-ethylenedithiocholest-5-ene
EINECS	Contact for details

Quality Control

Our 3β-Acetyloxy-19,19-(Ethylenebisthio)Cholest-5-Ene is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and conformity to specification. We provide a comprehensive Certificate of Analysis (COA) with each shipment, detailing all test results. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated research and development environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability. Keep the container tightly sealed when not in use to prevent contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.