AF430 tetrazine

Cat. # Quantity Price Lead time
108E0 1 mg $110.00 in stock
208E0 5 mg $290.00 in stock
308E0 10 mg $460.00 in stock
408E0 25 mg $690.00 in stock
508E0 50 mg $1270.00 in stock
608E0 100 mg $1990.00 in stock

AF430 is a fluorescent dye structurally and functionally identical to Alexa Fluor™ 430 which is a member of the popular Alexa Fluor™ group of synthetic dyes. AF430 has an excitation maximum at 430 nm and an emission maximum at 542 nm. AF430 is one of the few dyes that absorb between 400 nm and 450 nm. AF430 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 AF430

Absorption and emission spectra of AF430

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AF430 NHS ester

AF430 is a hydrophilic coumarin dye with the emission in green-yellow range. The NHS ester is used for the labeling of amine groups.

AF430 alkyne

AF430 is a dye emitting in green-yellow range. A dye is useful for flow cytometry.

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
CF260: 0.06
CF280: 0.06
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