Description

5α-Cholestane-2β,19-Diol 19-Acetate is a high-purity steroidal diol derivative, specifically functionalized with an acetate group at the 19-position. This compound serves as a critical advanced pharmaceutical intermediate and a valuable reference standard for analytical and research applications. It is primarily utilized by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the synthesis of complex steroid-based molecules.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs) and novel drug candidates.
• Analytical Reference Standard: Used for method development, calibration, and quality control in chromatographic analyses (HPLC, GC) within pharmaceutical quality assurance laboratories.
• Biochemical Research: Employed in metabolic studies and as a precursor for investigating steroid biosynthesis pathways and enzyme interactions.
• Fine Chemical Synthesis: Serves as a starting material or intermediate for producing specialized steroidal compounds with modified biological activity.

Basic Information

Product Name	5α-Cholestane-2β,19-Diol 19-Acetate
CAS No.	30950-87-9
Molecular Formula	C₂₉H₅₀O₃
Molecular Weight	446.71 g/mol
Synonyms	2β,19-Dihydroxycholestan-19-yl acetate (5α); 5α-Cholestane-2β,19-diol, 19-acetate; 19-Acetoxy-5α-cholestane-2β,19-diol; (2β,5α,19R)-19-(Acetyloxy)cholestane-2,19-diol; Cholestane-2β,19-diol 19-acetate; Steroid diol acetate derivative
EINECS	Contact for details

Quality Control

Our 5α-Cholestane-2β,19-Diol 19-Acetate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets exacting research and pharmaceutical-grade standards. A detailed Certificate of Analysis (COA) with batch-specific data is provided to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Loss on Drying	≤ 0.5%

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