Description

3-Epi-Ochratoxin A is a structural epimer of the well-known mycotoxin Ochratoxin A, serving as a critical analytical reference standard and research chemical. This compound is essential for the accurate identification, quantification, and toxicological study of ochratoxin contamination in food, feed, and biological samples. It is primarily utilized by analytical laboratories, food safety agencies, and research institutions focused on mycotoxicology and regulatory compliance.

Application

• Analytical Reference Standard: Primary use for the calibration and validation of analytical methods (HPLC, LC-MS/MS) for ochratoxin detection.
• Food & Feed Safety Testing: Critical for ensuring compliance with global regulatory limits on ochratoxin A in agricultural commodities like grains, coffee, and wine.
• Metabolism and Toxicology Studies: Used in research to investigate the biotransformation, toxicity, and metabolic pathways of ochratoxins.
• Method Development: Serves as a key component in the development and optimization of new immunoassays and chromatographic techniques.
• Quality Control Material: Employed as a spike/recovery control in laboratory proficiency testing and internal quality assurance programs.
• Pharmaceutical Research: Used in studies examining the role of mycotoxins in disease etiology and for developing detoxification strategies.

Basic Information

Product Name	3-Epi-Ochratoxin A
CAS No.	189152-21-4
Molecular Formula	C20H18ClNO6
Molecular Weight	403.81 g/mol
Synonyms	(2R)-2-{[(3R)-5-Chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-isochromene-7-carbonyl]amino}-3-phenylpropanoic Acid; 3-epi-OTA; Ochratoxin A Epimer; 3-Epiochratoxin A; 7-Carboxy-5-chloro-8-hydroxy-3-methyl-3,4-dihydro-1H-2-benzopyran-1-one 3-epimer; 3-epi-Ochratoxin A
EINECS	Contact for details

Quality Control

Our 3-Epi-Ochratoxin A is produced and handled under strict quality management protocols to ensure the highest standards of purity and consistency required for analytical and research applications. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity confirmation via spectroscopic methods, and impurity profiles. We adhere to relevant guidelines for reference materials to support your compliance with ISO, FDA, and other international regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is sealed tightly after each use to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (MS)	Conforms
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%

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