AF 555 amine

Cat. # Quantity Price Lead time
1K8C0 1 mg $140 12 days
2K8C0 5 mg $450 12 days
4K8C0 25 mg $1460 12 days
5K8C0 50 mg $1890 12 days
6K8C0 100 mg $2640 7 days
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AF 555 is a stable dye over a broad pH range (from 4 to 10) with the fluorescence peak in the yellow region (at 566 nm).

Conjugates of biomolecules with AF 555 can be used in flow cytometry, for example in multicolor staining. AF 555 is also used in cell microscopy due to its high photostability.

AF 555 amine is soluble in water and can be conjugated with electrophiles and participate in enzymatic transamination.

Absorption and emission spectra of AF 555

Absorption and emission spectra of AF 555

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General properties

Appearance: dark red solid
Molecular weight: 1021.39
Molecular formula: C41H58K2N4O13S4
Solubility: good in water, DMSO
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: 552
ε, L⋅mol−1⋅cm−1: 152000
Emission maximum, nm: 566
Fluorescence quantum yield: 0.14
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