Description

1β-Chloro-5α-Cholestan-19-Ol CAS NO 28809-52-1 is a high-purity sterol derivative, a key intermediate in the synthesis of complex bioactive molecules. Its defined structure is critical for research and development in advanced pharmaceutical chemistry, offering a precise building block for creating novel steroid-based compounds. This product is essential for R&D chemists and process development scientists in the pharmaceutical, biotechnology, and fine chemical industries.

Application

• Pharmaceutical Intermediate: A crucial synthetic precursor for the development of novel steroid-based therapeutics and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or starting material in metabolic pathway studies and steroid hormone research.
• Fine Chemical Synthesis: Serves as a specialized building block for synthesizing complex organic molecules with specific stereochemistry.
• Academic & Industrial R&D: Employed in laboratories for method development, process chemistry, and exploring new chemical entities.
• Steroid Analog Development: Key for modifying the cholestane backbone to create analogs with potential biological activity.

Basic Information

Product Name	1β-Chloro-5α-Cholestan-19-Ol
CAS No.	28809-52-1
Molecular Formula	C27H47ClO
Molecular Weight	423.12 g/mol
Synonyms	19-Hydroxy-1β-chloro-5α-cholestane; 1β-Chloro-5α-cholestan-19-ol; 5α-Cholestan-19-ol, 1β-chloro-; (1β,5α,19R)-1-Chlorocholestan-19-ol; 1β-Chloro-19-hydroxy-5α-cholestane
EINECS	Contact for details

Quality Control

Our 1β-Chloro-5α-Cholestan-19-Ol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR), to ensure it meets stringent specifications for research and synthesis. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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