Description

[D-Asp3, E-Dhb7]-Microcystin-Rr is a specific structural variant of the potent cyanobacterial hepatotoxin, microcystin. This compound is of significant interest for research and analytical applications due to its role in environmental monitoring and toxicological studies. It serves as a critical reference standard for laboratories analyzing cyanotoxin contamination in water supplies, algal blooms, and food products. Researchers in environmental science, analytical chemistry, and public health rely on this high-purity material for method development, calibration, and quality control.

Application

• Environmental Monitoring Reference Standard: Calibration and quantification in the analysis of cyanobacterial blooms and water quality.
• Toxicological Research: Used in studies investigating the mechanisms of hepatotoxicity, protein phosphatase inhibition, and long-term health effects of cyanotoxins.
• Analytical Method Development: Serves as a critical component for developing and validating detection methods such as LC-MS/MS, ELISA, and HPLC.
• Food and Feed Safety Testing: Acts as a calibrant in assays designed to detect microcystin contamination in seafood, agricultural products, and dietary supplements.
• Diagnostic Kit Production: Utilized in the manufacturing and quality control of immunoassay kits for rapid cyanotoxin detection.
• Regulatory Compliance Testing: Provides a benchmark for laboratories ensuring drinking water and environmental samples comply with safety guidelines set by agencies like the WHO and EPA.

Basic Information

Product Name	[D-Asp3, E-Dhb7]-Microcystin-Rr
CAS No.	202120-08-9
Molecular Formula	C₄₉H₇₄N₁₀O₁₂
Molecular Weight	1015.2 g/mol
Synonyms	Microcystin-RR variant; [D-Asp3, (E)-Dhb7]MC-RR; 7-Desmethylmicrocystin-RR; Microcystin RR (Asp3, Dhb7); Cyanotoxin RR variant; Algal Toxin Reference Material; (E)-Dhb7-Microcystin-RR
EINECS	Contact for details

Quality Control

Our [D-Asp3, E-Dhb7]-Microcystin-Rr is produced and handled under strict quality protocols to ensure the highest purity and consistency for research applications. Each batch is characterized using advanced analytical techniques including HPLC and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity confirmation, and impurity profile is provided with every shipment to support your research integrity and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below. This product is hygroscopic (moisture-sensitive). Allow the vial to equilibrate to room temperature in a desiccator before opening to prevent condensation and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (HPLC)	Conforms to reference standard
Identification (MS)	Conforms to reference standard
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 5.0%
Solubility	Soluble in methanol, DMSO; slightly soluble in water

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