Description

(22R,24S,25S,28R)-2β,3β,14,20,22,28-Hexahydroxy-6-Oxo-5α-Stigmast-7-En-26-Oic Acid γ-Lactone is a highly oxygenated stigmastane-type steroidal lactone, a compound of significant interest in advanced organic synthesis and pharmaceutical research. Its complex polyhydroxylated structure makes it a valuable intermediate for the development of novel bioactive molecules and a reference standard for analytical purposes. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in steroid chemistry, natural product synthesis, and the investigation of new therapeutic agents.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block for the synthesis of complex steroidal drugs and novel chemical entities.
• Reference Standard: Used in analytical laboratories for method development, validation, and quality control of related steroidal compounds via HPLC, LC-MS, or NMR.
• Biochemical Research: Employed in studies exploring enzyme inhibition, receptor binding, and other structure-activity relationship (SAR) investigations within steroid pathways.
• Natural Product Synthesis: Acts as a sophisticated starting material or intermediate for the total or semi-synthesis of complex natural products.
• Academic Research: Utilized in university and institutional labs for advanced organic chemistry projects and the discovery of new chemical reactions.

Basic Information

Product Name	(22R,24S,25S,28R)-2β,3β,14,20,22,28-Hexahydroxy-6-Oxo-5α-Stigmast-7-En-26-Oic Acid γ-Lactone
CAS No.	31581-82-5
Molecular Formula	C₂₉H₄₂O₈
Molecular Weight	518.64 g/mol
Synonyms	2β,3β,14,20,22,28-Hexahydroxy-6-oxo-5α-stigmast-7-en-26-oic acid γ-lactone; (22R,24S,25S,28R)-2β,3β,14α,20,22,28-Hexahydroxy-6-oxo-5α-stigmast-7-en-26-oic acid γ-lactone; Stigmastane lactone derivative; 5α-Stigmast-7-en-6-one, 2,3,14,20,22,28-hexahydroxy-26-oic acid γ-lactone, (2β,3β,5α,22R,24S,25S,28R)-; NSC 339524
EINECS	Contact for details

Quality Control

Our (22R,24S,25S,28R)-2β,3β,14,20,22,28-Hexahydroxy-6-Oxo-5α-Stigmast-7-En-26-Oic Acid γ-Lactone is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and specific tests for residual solvents and moisture content. Certificates of Analysis (COA) detailing all specifications and test results are provided to ensure full traceability and compliance with your research or development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Specific Rotation	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.