Description

(22R,23R)-2α,3α,22,23-Tetrahydroxy-5α-Ergost-24(28)-En-6-One is a high-purity, steroidal natural product derivative of significant interest in advanced research and development. This compound serves as a critical reference standard and synthetic intermediate for the study of bioactive sterols and their physiological pathways. It is primarily sought by pharmaceutical R&D laboratories, academic research institutions, and specialty chemical manufacturers engaged in the synthesis of novel therapeutic agents and biochemical probes.

Application

• Pharmaceutical Reference Standard: Used for the qualitative and quantitative analysis of sterol-based compounds in method development and quality control.
• Biochemical Research: Serves as a key intermediate or precursor in the study of steroid biosynthesis, metabolism, and receptor interactions.
• Synthetic Chemistry: Acts as a versatile building block for the semi-synthesis of complex natural products and potential drug candidates with modified steroidal frameworks.
• Analytical Method Development: Employed as a high-purity calibrant in chromatographic (HPLC, GC) and spectroscopic methods to ensure accuracy and reproducibility.
• Nutraceutical & Cosmetic Research: Investigated for potential bioactivity in the development of specialized health and personal care formulations.

Basic Information

Product Name	(22R,23R)-2α,3α,22,23-Tetrahydroxy-5α-Ergost-24(28)-En-6-One
CAS No.	85797-15-5
Molecular Formula	C₂₈H₄₆O₅
Molecular Weight	462.67 g/mol
Synonyms	2α,3α,22,23-Tetrahydroxy-5α-ergost-24(28)-en-6-one; (22R,23R)-2α,3α,22,23-Tetrahydroxy-5α-ergost-24(28)-en-6-one; 5α-Ergost-24(28)-en-6-one, 2α,3α,22,23-tetrahydroxy-, (22R,23R)-; Brassinolide intermediate; Sterol derivative; Tetrahydroxyergostenone
EINECS	Contact for details

Quality Control

Our (22R,23R)-2α,3α,22,23-Tetrahydroxy-5α-Ergost-24(28)-En-6-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, spectroscopic identification (IR, NMR), and specific rotation analysis, to ensure it meets the exacting standards required for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability 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). This compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Specific Rotation	Contact for details
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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