AF 430 tetrazine

Cat. # Quantity Price Lead time
108E0 1 mg $125 in stock
208E0 5 mg $325 in stock
308E0 10 mg $480 in stock
408E0 25 mg $950 in stock
508E0 50 mg $1625 in stock
608E0 100 mg $2090 in stock
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AF 430 is a fluorescent dye. AF 430 has an excitation maximum at 430 nm and an emission maximum at 542 nm. AF 430 is one of the few dyes that absorb between 400 nm and 450 nm. AF 430 fluorescence is photostable and pH-insensitive in a broad range of pH values.

Tetrazine residue participates in the fast copper-free click reaction that is well suited to non-toxic in vitro cell labeling and low-concentration applications.

Absorption and emission spectra of AF 430

Absorption and emission spectra of AF 430

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General properties

Appearance: dark orange solid
Mass spec M+ increment: 658.2
Molecular weight: 724.79
Molecular formula: C32H32N6F3KO6S
Solubility: good in water, DMF, DMSO
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 430
ε, L⋅mol−1⋅cm−1: 15955
Emission maximum, nm: 542
Fluorescence quantum yield: 0.23
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