Cat. # Quantity Price Lead time
1158F0 1 mg $140 in stock
2158F0 5 mg $450 in stock
4158F0 25 mg $1460 in stock
5158F0 50 mg $1890 in stock
6158F0 100 mg $2990 in stock
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Dibenzocyclooctyne (DBCO, DBCO, ADIBO) is one of the most reactive cycloalkynes for copper-free click reaction (SPAAC, strain-promoted azide-alkyne cycloaddition). The rate of interaction of DBCO with azides is significantly higher than that of other cyclooctynes, as well as Cu-catalyzed click reaction (CuAAC). Unlike other cyclooctynes, DBCO does not interact with tetrazines, which makes it possible to use it in bioorthogonal reactions together with trans-cyclooctenes and tetrazines.

AF 568 is a bright, photostable, and hydrophilic fluorophore that emits in the orange channel. The absorption maximum is 572 nm. The emission maximum is 598 nm.

AF 568 DBCO allows fluorescent labeling of azide-containing biomolecules inside living cells and whole organisms without the negative effect of copper ions on them, and inanimate samples.

Absorption and emission spectra of AF 568

Absorption and emission spectra of AF 568

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General properties

Appearance: dark violet solid
Molecular weight: 1197.53
Molecular formula: C66H80N6O11S2
Quality control: NMR 1H and HPLC-MS (95+%)
Storage conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 572
ε, L⋅mol−1⋅cm−1: 94238
Emission maximum, nm: 598
Fluorescence quantum yield: 0.912
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