AF430 NHS ester

Cat. # Quantity Price Lead time
10820 1 mg $110.00 in stock
20820 5 mg $165.00 in stock
40820 25 mg $380.00 in stock
50820 50 mg $695.00 in stock
60820 100 mg $1190.00 in stock

AF430 is a dye that is structurally identical to Alexa Fluor® 430. The fluorophore is hydrophilic. It is used in flow cytometry and other applications.

The NHS ester functional group allows to conjugate the fluorophore efficiently with primary and secondary amine groups in both aqueous buffers and anhydrous conditions.

Absorption and emission spectra of AF430

Absorption and emission spectra of AF430

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General properties

Appearance: yellow powder
Molecular weight: 701.75
CAS number: 467233-94-9
Molecular formula: C32H42N3F3O9S
Solubility: good in water, DMF, DMSO
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 12 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 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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