Description
AQI-C6-COOH: Non-Activated Anthraquinone Label for Electroactive Bioconjugation
Anthraquinone-2-amidopentyl carboxylic acid (AQI-C6-COOH) is a non-activated redox label featuring a six-carbon linker for flexible bioconjugation design. This anthraquinone derivative is ideal for covalent attachment to proteins and alkylamino-modified nucleic acids in electrochemical applications. Its excellent and validated redox properties make it a preferred tag for biosensor development and redox-sensitive assays.
Performance Highlights
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Non-activated redox label with a flexible C6 spacer
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Suitable for covalent modification via carboxylic acid activation
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Reliable electrochemical performance
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Formal Electrode Potential vs. Ag/AgCl (1 M KCl): –0.425 V
Properties
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Molecular Weight: 365.4
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Empirical Formula: C₂₁H₁₉NO₅
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Appearance (colour): light yellow
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Appearance (form): solid (powder)
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Storage: –20 °C. Keep dry. Protect from light, especially in solution
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Reactive Moiety: free carboxylic acid
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Trade Name: Anthraquinone-2-amidopentyl-carboxylic acid
Application
Bioconjugation and biosensor measurements
