Description

Strobilurin B is a naturally occurring antifungal compound derived from certain basidiomycete fungi, serving as the foundational chemical scaffold for the widely used strobilurin-class fungicides. Its significance lies in its unique mode of action, inhibiting mitochondrial respiration by binding to the Qo site of cytochrome bc1 complex, which provides effective control against a broad spectrum of plant pathogens. This makes it a critical intermediate and reference standard for agrochemical R&D, fungicide discovery programs, and analytical method development within the agricultural and life sciences sectors.

Application

• Agrochemical Research & Development: Serves as the lead compound and essential reference standard for the synthesis and study of novel strobilurin-based fungicides.
• Mode of Action Studies: Used in biochemical and physiological research to investigate fungal respiration inhibition and resistance mechanisms.
• Analytical Standard: Critical for developing and validating analytical methods (e.g., HPLC, LC-MS) for the detection and quantification of strobilurin residues and metabolites.
• Fungicide Discovery: Acts as a key intermediate in the synthesis of advanced experimental fungicidal agents for efficacy testing.
• Academic & Institutional Research: Employed in universities and research institutes for studies in mycology, plant pathology, and pesticide chemistry.

Basic Information

Product Name	Strobilurin B
CAS No.	65105-52-4
Molecular Formula	C22H28O5
Molecular Weight	372.46 g/mol
Synonyms	(E)-Methyl (2E)-2-(2-(((E)-3-methoxy-2-methyl-3-oxoprop-1-en-1-yl)oxy)-6-methylphenyl)-3-methoxyacrylate; (E,E)-Methoxyiminoacetic acid methyl ester derivative; Antibiotic B 98891; Oudemansin B; BAS 490 F (lead structure); Strobilurin B (E,E-isomer); β-Methoxyacrylate antibiotic
EINECS	Contact for details

Quality Control

Our Strobilurin B is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and reliability for research purposes. Each lot is characterized using advanced analytical techniques to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and identification results is provided with every shipment to support your quality assurance and regulatory documentation needs.

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 accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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