Description

(22R)-5α,6β,12α,22,27-Pentahydroxy-1-Oxoergosta-2,24-Dien-26-Oic Acid δ-Lactone is a highly functionalized ergostane-type steroidal lactone, representing a key intermediate and reference standard in advanced pharmaceutical and biochemical research. Its complex pentahydroxy-oxo structure makes it a valuable scaffold for studying sterol biosynthesis and developing novel bioactive compounds. This compound is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors who require high-purity, structurally defined steroidal molecules for drug discovery, metabolic pathway analysis, and the synthesis of specialized derivatives.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for quality control and analytical method development in steroidal drug manufacturing.
• Biochemical Research: Serves as a critical intermediate or substrate in enzymatic studies related to sterol and triterpenoid metabolism.
• Drug Discovery & Development: Acts as a lead compound or a sophisticated building block for the synthesis of novel therapeutic agents targeting metabolic or hormonal pathways.
• Academic Research: Utilized in university and institutional labs for investigating the chemistry and biology of oxygenated steroids.
• Fine Chemical Synthesis: Employed as a starting material or advanced intermediate for the custom synthesis of complex, high-value steroidal derivatives.

Basic Information

Product Name	(22R)-5α,6β,12α,22,27-Pentahydroxy-1-Oxoergosta-2,24-Dien-26-Oic Acid δ-Lactone
CAS No.	38851-79-5
Molecular Formula	C₂₈H₄₀O₇
Molecular Weight	488.62 g/mol
Synonyms	5α,6β,12α,22,27-Pentahydroxy-1-oxoergosta-2,24-dien-26-oic acid δ-lactone; (22R)-Ergosta-2,24-dien-26-oic acid, 5,6,12,22,27-pentahydroxy-1-oxo-, δ-lactone; 1-Oxo-5α,6β,12α,22,27-pentahydroxyergosta-2,24-dien-26-oic acid δ-lactone; Steroidal Pentahydroxy Oxo Lactone; Ergostane Lactone Derivative
EINECS	Contact for details

Quality Control

Our (22R)-5α,6β,12α,22,27-Pentahydroxy-1-Oxoergosta-2,24-Dien-26-Oic Acid δ-Lactone is produced and handled under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, spectroscopic identification (NMR, IR, MS), and specific tests for related substances. A detailed Certificate of Analysis (COA) is provided with each shipment, ensuring traceability and compliance with research-grade specifications. We support custom purity requirements to meet specific project needs.

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 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
Purity (HPLC)	≥95.0% (Research Grade)
Purity (HPLC)	≥98.0% (Reference Standard Grade)
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.