Description

5α-Cholestane-2α,19-Diol Diacetate is a high-purity steroidal diacetate derivative, serving as a critical intermediate in advanced organic synthesis. Its defined stereochemistry and functional groups make it a valuable building block for pharmaceutical research and fine chemical manufacturing. This compound is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and specialty chemical sectors requiring precise molecular scaffolds.

Application

• Pharmaceutical Intermediate: Key starting material or advanced intermediate in the synthesis of novel steroid-based therapeutics and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or precursor in metabolic pathway studies, enzyme inhibition assays, and hormone research.
• Fine Chemical Synthesis: Serves as a chiral building block for constructing complex natural products and specialty molecules with specific stereochemical configurations.
• Analytical Standard: Employed as a high-purity standard in chromatographic analysis (HPLC, GC) for method development and quality control in steroid analysis.
• Material Science Research: Potential precursor for developing specialized organic materials and liquid crystals due to its rigid steroidal backbone.

Basic Information

Item	Details
Product Name	5α-Cholestane-2α,19-Diol Diacetate
CAS No.	28809-56-5
Molecular Formula	C₃₁H₅₂O₄
Molecular Weight	488.75 g/mol
Synonyms	2α,19-Diacetoxy-5α-cholestane; 5α-Cholestane-2α,19-diol, diacetate; (2α,5α,19R)-Cholestane-2,19-diol diacetate; 2α,19-Dihydroxy-5α-cholestane diacetate; 19(R)-Acetoxy-2α-acetoxycholest-5-ene (related); Steroid diacetate intermediate; Cholestane diol diacetate derivative
EINECS	Contact for details

Quality Control

Our 5α-Cholestane-2α,19-Diol Diacetate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and specific tests for residual solvents and moisture. We provide full traceability and Certificates of Analysis (COA) are available for every shipment to ensure compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccant use and inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Specific Rotation	Contact for details

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