Description
Anthraquinone-2-carboxylic acid NHS Ester (AQI-SE) – Amine-Reactive Redox Label for Biomolecules
AF-0404 AQI-SE is an amine-reactive anthraquinone derivative designed for covalent attachment to proteins and alkylamino-modified nucleic acids. Its validated electrochemical properties make it an excellent label for biosensor and redox-based applications.
Performance Highlights
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Redox-active marker for electrochemical detection
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NHS ester enables stable covalent linkage to 1° amines
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Designed for labeling proteins and modified oligonucleotides
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High purity solid for consistent bioconjugation performance
Properties
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Trade Name: Anthraquinone-2-carboxylic acid, succinimidyl ester
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Reactive Moiety: NHS ester, reacts with 1° amines to form a stable amide linkage
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Molecular Weight: 349.3
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Empirical Formula: C₁₉H₁₁NO₆
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Appearance (color): Light yellow
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Appearance (form): Solid (powder)
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Solubility: DMF, DMSO
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Storage: -20 °C. Keep dry! Protect from light, especially in solution.
Application
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Bioconjugation for biosensor and electrochemical labeling
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Redox-based detection in molecular and diagnostic assays
