Description

Withaphysalin E is a specialized, high-purity natural product compound with the CAS registry number 118985-24-3. This compound is valued for its unique structural framework and serves as a critical reference standard and research material in advanced life science studies. It is primarily utilized by pharmaceutical R&D laboratories, academic research institutions, and biotechnology companies engaged in the discovery and development of novel bioactive agents.

Application

• Pharmaceutical Research & Development: Serves as a key reference standard and analytical marker for quality control in drug discovery pipelines.
• Bioactivity Screening: Used as a lead compound or probe in high-throughput screening assays to evaluate potential therapeutic effects.
• Academic & Institutional Research: Essential for studies in natural product chemistry, phytochemistry, and pharmacological mechanism of action.
• Biochemical Pathway Analysis: Employed as a tool compound to investigate specific cellular signaling pathways and biological targets.
• Analytical Method Development: Acts as a certified reference material (CRM) for calibrating and validating analytical methods like HPLC and LC-MS.
• Standards Manufacturing: Used by producers of certified reference standards for the calibration of laboratory equipment.

Basic Information

Product Name	Withaphysalin E
CAS No.	118985-24-3
Molecular Formula	C28H34O7
Molecular Weight	482.57 g/mol
Synonyms	Withaphysalin E; (1S,2R,4aS,6aS,6bR,8aS,12aS,12bR,14aS,14bS)-1,2,4a,6a,6b,9,9,12a-Octamethyl-10-oxo-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14,14a,14b-docosahydropicene-2-carboxylic acid; Physalin E
EINECS	Contact for details

Quality Control

Every batch of Withaphysalin E (CAS 118985-24-3) is produced and analyzed under strict quality management protocols to ensure identity, purity, and consistency. Our products undergo rigorous quality testing, including chromatographic purity analysis and structural confirmation, to ensure compliance with research-grade standards. A comprehensive Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, cool, and well-ventilated area. Keep the container sealed to protect the integrity of this light-sensitive compound.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
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.