Description

(22R)-2α,3α,14,20,22-Pentahydroxy-5β-Cholest-7-En-6-One CAS NO 19338-77-3 is a high-purity, polyhydroxylated steroidal compound of significant interest in advanced pharmaceutical research and development. This molecule serves as a critical intermediate or reference standard for the synthesis and study of complex bioactive steroids. It is primarily sought by research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers engaged in developing novel therapeutic agents or analytical methods.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of complex steroid-based drugs and bioactive molecules.
• Reference Standard: Used in analytical chemistry for method development, validation, and quality control of steroidal compounds via HPLC, LC-MS, or NMR.
• Biochemical Research: Tool compound for studying steroid biosynthesis pathways, enzyme inhibition, and receptor interactions in metabolic or endocrine research.
• Fine Chemical Synthesis: Advanced starting material for the custom synthesis of specialized steroidal derivatives with modified biological activity.
• Academic Research: Utilized in university and institutional labs for fundamental studies in organic chemistry, medicinal chemistry, and pharmacology.

Basic Information

Product Name	(22R)-2α,3α,14,20,22-Pentahydroxy-5β-Cholest-7-En-6-One
CAS No.	19338-77-3
Molecular Formula	C₂₇H₄₄O₆
Molecular Weight	464.64 g/mol
Synonyms	2α,3α,14,20,22-Pentahydroxy-5β-cholest-7-en-6-one; (22R)-Cholest-7-ene-2,3,14,20,22-pentol, 6-one, (2α,3α,5β,22R)-; 5β-Cholest-7-ene-2α,3α,14,20,22-pentaol-6-one; 19338-77-3; Polyhydroxycholestenone; Sterol pentol derivative
EINECS	Contact for details

Quality Control

Our (22R)-2α,3α,14,20,22-Pentahydroxy-5β-Cholest-7-En-6-One is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and specific tests for residual solvents and impurities. A detailed Certificate of Analysis (COA) is provided with every shipment to ensure full traceability and compliance with your research or production 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). Due to its hygroscopic nature, the container should be kept in a desiccated environment to prevent moisture absorption. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines

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