Description

(22S,23S)-17,22,23,27-Tetrahydroxy-1-Oxoergosta-2,5,24-Trien-26-Oic Acid δ-Lactone is a highly functionalized ergostane-type steroidal lactone, representing a key advanced intermediate in the synthesis of complex bioactive molecules. Its intricate stereochemistry and polyhydroxylated structure make it a valuable scaffold for pharmaceutical research and development, particularly in exploring novel therapeutic agents. This compound is primarily of interest to research institutions and pharmaceutical companies engaged in steroid chemistry, natural product synthesis, and the development of new drug candidates.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel steroidal drugs and bioactive compounds.
• Biochemical Research: Used as a reference standard or probe in studies investigating sterol biosynthesis pathways and enzyme mechanisms.
• Natural Product Synthesis: Acts as a key intermediate in the total or semi-synthesis of complex natural products with ergostane skeletons.
• Medicinal Chemistry: Provides a versatile template for structure-activity relationship (SAR) studies to develop new therapeutic agents.
• Reference Material: Employed in analytical laboratories for method development and quality control of related steroidal compounds.

Basic Information

Product Name	(22S,23S)-17,22,23,27-Tetrahydroxy-1-Oxoergosta-2,5,24-Trien-26-Oic Acid δ-Lactone
CAS No.	58324-08-6
Molecular Formula	C₂₈H₃₈O₇
Molecular Weight	486.60 g/mol
Synonyms	17,22,23,27-Tetrahydroxy-1-oxoergosta-2,5,24-trien-26-oic acid δ-lactone; (22S,23S)-Homobrassinolide lactone; 26,28-Dinorbrassinolide; 2-Deoxybrassinolide lactone; Brassinolide biosynthesis intermediate; Ergosta-2,5,24-trien-26-oic acid, 17,22,23,27-tetrahydroxy-1-oxo-, δ-lactone, (22S,23S)-; 58324-08-6
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for our high-purity chemical intermediates. Each batch of (22S,23S)-17,22,23,27-Tetrahydroxy-1-Oxoergosta-2,5,24-Trien-26-Oic Acid δ-Lactone is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. For long-term storage, consider storing under inert atmosphere at -20°C. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 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.