Description

Ustiloxin E CAS NO 158253-87-3 is a potent cyclic peptide mycotoxin produced by the fungus *Ustilaginoidea virens*. This compound is of significant interest in biochemical and pharmacological research due to its specific bioactivity and role as a phytotoxin. It serves as a critical reference standard and research material for scientists in agrochemical development, plant pathology, and natural product chemistry.

Application

• Phytotoxin Research: Used as a reference standard to study its mechanism of action on rice plants and other crops.
• Biochemical Pathway Analysis: Employed in research to investigate fungal virulence and host-pathogen interactions.
• Agrochemical Development: Serves as a lead compound or a tool for screening and developing novel plant protection agents.
• Natural Product Isolation & Synthesis: Acts as a benchmark in the isolation, purification, and total synthesis studies of complex fungal metabolites.
• Toxicology Studies: Utilized in safety and toxicological assessments relevant to food security and agricultural safety.
• Academic & Institutional Research: Essential for universities and research institutes focusing on mycology and plant science.

Basic Information

Product Name	Ustiloxin E
CAS No.	158253-87-3
Molecular Formula	C₂₉H₄₀N₆O₉
Molecular Weight	616.67 g/mol
Synonyms	Ustiloxin E; Ustiloxin-E; 158253-87-3; Ustiloxin E (cyclic peptide); Cyclo[L-Tyr-D-Ala-L-Ile-D-Ser-L-2-amino-8-oxodecanoic acid-D-Gln]; Ustiloxin family mycotoxin
EINECS	Contact for details

Quality Control

Every batch of Ustiloxin E is produced and analyzed under strict quality protocols to ensure identity, purity, and consistency for research applications. We provide comprehensive analytical documentation, including HPLC chromatograms and spectral data (MS, NMR). Certificates of Analysis (COA) detailing purity, related substances, and other critical parameters are available for each lot upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C or as indicated on the label or COA. This product is hygroscopic (moisture-sensitive) and light-sensitive; handle under inert atmosphere or dry conditions for long-term stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (MS)	Conforms to structure
Purity (HPLC)	≥ 95%
Related Substances (HPLC)	≤ 5.0% total
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%

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