Description

(17S,22R)-4β,5,6α,14,17,20,22-Heptahydroxy-1-Oxo-5β-Ergosta-2,24-Dien-26-Oic Acid 26,22-Lactone is a highly functionalized ergostane-type steroidal lactone, representing a key intermediate and reference standard in advanced organic synthesis and pharmaceutical research. Its complex polyhydroxylated structure makes it a valuable scaffold for investigating biological activity and developing novel therapeutic agents. This compound is primarily sought by research institutions and pharmaceutical developers focused on steroid chemistry, natural product derivatives, and metabolic pathway studies.

Application

• Pharmaceutical Reference Standard: Serves as a certified analytical standard for quality control and method validation in the development of steroidal drugs and natural product-based therapeutics.
• Biochemical Research: Used as a key intermediate or probe in studying enzyme inhibition, receptor binding, and other sterol-mediated biological pathways.
• Organic Synthesis Building Block: Provides a complex, chiral starting material for the semi-synthesis of novel steroid analogs with potential pharmacological activity.
• Natural Product Isolation & Analysis: Acts as a marker or comparative compound in the isolation, identification, and quantification of similar ergostane derivatives from fungal or plant sources.
• Academic & Institutional Research: Employed in universities and R&D labs for fundamental studies in synthetic organic chemistry and medicinal chemistry.

Basic Information

Product Name	(17S,22R)-4β,5,6α,14,17,20,22-Heptahydroxy-1-Oxo-5β-Ergosta-2,24-Dien-26-Oic Acid 26,22-Lactone
CAS No.	78285-97-9
Molecular Formula	C₂₈H₃₈O₉
Molecular Weight	518.60 g/mol
Synonyms	4β,5,6α,14,17,20,22-Heptahydroxy-1-oxo-5β-ergosta-2,24-dien-26-oic acid 26,22-lactone; (17S,22R)-Heptahydroxyergosta-2,24-dien-1-one 26,22-lactone; Ergostane-26,22-lactone derivative; Polyhydroxyergostane lactone; 78285-97-9; 5β-Ergosta-2,24-diene-1,4β,5,6α,14,17,20,22-heptol-26-oic acid 26,22-lactone
EINECS	Contact for details

Quality Control

Our (17S,22R)-4β,5,6α,14,17,20,22-Heptahydroxy-1-Oxo-5β-Ergosta-2,24-Dien-26-Oic Acid 26,22-Lactone is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and structural confirmation via NMR and MS, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

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 (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
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.