Description

(22R)-6α,7α-Epoxy-5,22-Dihydroxy-1,12-Dioxo-5α-Ergosta-2,24-Dien-26-Oic Acid δ-Lactone is a complex, high-purity steroidal lactone compound of significant interest in advanced research and development. This specialized molecule serves as a critical intermediate or reference standard for the synthesis and study of bioactive steroid derivatives. It is primarily sought by pharmaceutical R&D laboratories, academic research institutions, and fine chemical manufacturers engaged in developing novel therapeutic agents or studying sterol biosynthesis pathways.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthetic pathways for novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or probe in studies investigating sterol and steroid metabolism, enzyme inhibition, and receptor binding assays.
• Academic Research: Employed in university and institutional labs for synthetic organic chemistry projects and the exploration of new chemical entities with potential bioactivity.
• Fine Chemical Synthesis: Acts as a precursor for the custom synthesis of complex, high-value steroidal compounds for specialized applications.
• Analytical Standard: Provides a high-purity standard for quality control and method development in analytical techniques like HPLC and LC-MS within pharmaceutical and contract research organizations (CROs).

Basic Information

Product Name	(22R)-6α,7α-Epoxy-5,22-Dihydroxy-1,12-Dioxo-5α-Ergosta-2,24-Dien-26-Oic Acid δ-Lactone
CAS No.	39262-28-7
Molecular Formula	C₂₈H₃₆O₇
Molecular Weight	484.59 g/mol
Synonyms	6α,7α-Epoxy-5α-ergosta-2,24-diene-1,12,22,26-tetraolide; 22R-Epoxyergostadiene Lactone; (22R)-Ergosta-2,24-dien-26-oic acid, 6,7-epoxy-5,22-dihydroxy-1,12-dioxo-, δ-lactone, (5α,6α,7α,22R)-; 39262-28-7; 5α-Ergosta-2,24-dien-26-oic acid, 6α,7α-epoxy-5,22-dihydroxy-1,12-dioxo-, δ-lactone, (22R)-; Steroidal δ-lactone derivative.
EINECS	Contact for details

Quality Control

Our (22R)-6α,7α-Epoxy-5,22-Dihydroxy-1,12-Dioxo-5α-Ergosta-2,24-Dien-26-Oic Acid δ-Lactone is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for 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 hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed in a desiccated environment and away from direct light exposure to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Purity (HPLC, Area %)	≥ 98.0%
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.