Description

(22R)-1-Oxo-4β,22-Dihydroxy-5,6β-Epoxy-5β-Ergosta-2,14,24-Triene-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 polycyclic structure, featuring epoxide and lactone functionalities, makes it a valuable scaffold for pharmaceutical research and development. This compound is primarily sought by research institutions and pharmaceutical companies engaged in the synthesis of novel steroidal drugs, enzyme inhibitors, and other high-value fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel steroidal therapeutics and enzyme inhibitors.
• Biochemical Research: Used as a reference standard or probe in studies of sterol biosynthesis and metabolic pathways.
• Organic Synthesis: Acts as a versatile chiral starting material for the preparation of complex natural product analogs and libraries for drug discovery.
• Academic Research: Employed in universities and research institutes for methodological development in synthetic organic chemistry.

Basic Information

Product Name	(22R)-1-Oxo-4β,22-Dihydroxy-5,6β-Epoxy-5β-Ergosta-2,14,24-Triene-26-Oic Acid δ-Lactone
CAS No.	33903-26-3
Molecular Formula	C₂₈H₃₆O₆
Molecular Weight	468.59 g/mol
Synonyms	1-Oxo-4β,22-dihydroxy-5,6β-epoxy-5β-ergosta-2,14,24-triene-26-oic acid δ-lactone; (22R)-Ergosta-2,14,24-triene-26-oic acid, 1,4,22-trihydroxy-5,6-epoxy-, δ-lactone, (1β,4β,5β,6β,22R)-; 4β,22-Dihydroxy-5,6β-epoxy-5β-ergosta-2,14,24-triene-1,26-dioic acid 1,26-lactone; Steroidal δ-lactone intermediate; Ergostane triene lactone.
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide material that meets high-purity specifications suitable for research and development applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request. Our quality management system ensures traceability and batch-to-batch consistency for reliable results in your critical applications.

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. For long-term storage, consider storage under inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
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.