Description

(1Alpha,3Beta)-Cholest-5-Ene-1,3-Diyl Diacetate CAS NO 35339-68-5 is a high-purity, functionalized sterol derivative, specifically the 1,3-diacetate ester of cholest-5-ene-1,3-diol. This compound serves as a critical chiral intermediate and building block in advanced organic synthesis, offering precise control over stereochemistry for complex molecule construction. It is essential for research and development in the pharmaceutical, agrochemical, and advanced materials sectors, where its defined structure is used to synthesize novel active compounds and study biochemical pathways.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel steroid-based therapeutics, hormone analogs, and vitamin D derivatives.
• Biochemical Research: Used as a standard or probe in metabolic pathway studies, enzyme inhibition assays, and receptor binding studies due to its steroidal backbone.
• Agrochemical Development: Serves as a precursor for creating plant growth regulators or environmentally benign pesticides with specific steroidal activity.
• Advanced Material Synthesis: A building block for liquid crystals, chiral dopants, and other functional organic materials requiring rigid, defined molecular frameworks.
• Academic & Process Chemistry: Employed in methodological development for asymmetric synthesis, catalysis research, and scaling complex multi-step synthetic routes.

Basic Information

Product Name	(1Alpha,3Beta)-Cholest-5-Ene-1,3-Diyl Diacetate
CAS No.	35339-68-5
Molecular Formula	C₃₁H₅₀O₄
Molecular Weight	486.73 g/mol
Synonyms	Cholest-5-ene-1β,3β-diol diacetate; 1β,3β-Diacetoxycholest-5-ene; (1β,3β)-1,3-Diacetoxycholest-5-ene; 5-Cholestene-1β,3β-diol 1,3-diacetate; NSC 122041; 1,3-Diacetoxy-5-cholestene; 1β-Acetoxy-3β-acetoxycholest-5-ene
EINECS	Contact for details

Quality Control

Our (1Alpha,3Beta)-Cholest-5-Ene-1,3-Diyl Diacetate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability, consistency, and compliance with your specifications.

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 compound is light-sensitive and should be handled under inert atmosphere when appropriate for prolonged stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Specific Rotation	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents	Complies with ICH guidelines

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