AF 488 amine

Cat. # Quantity Price Lead time
118C0 1 mg $125 in stock
218C0 5 mg $325 in stock
318C0 10 mg $480 in stock
418C0 25 mg $950 in stock
518C0 50 mg $1625 in stock
618C0 100 mg $2090 in stock
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AF 488 is a stable dye over a broad pH range (from 4 to 10) with the fluorescence peak in the green region (at 519 nm).

Conjugates of biomolecules with AF 488 can be used in flow cytometry, for example in multicolor staining. AF 488 is also used in cell microscopy due to its high photostability.

AF 488 amine is soluble in water and can be conjugated with electrophiles and participate in enzymatic transamination.

Absorption and emission spectra of AF 488

Absorption and emission spectra of AF 488

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General properties

Appearance: orange crystals
Molecular weight: 733.87
Molecular formula: C33H43N5O10S2
Solubility: good in water, DMF, 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: 495
ε, L⋅mol−1⋅cm−1: 71800
Emission maximum, nm: 519
Fluorescence quantum yield: 0.91
CF260: 0.16
CF280: 0.10
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