AF 430 carboxylic acid

Cat. # Quantity Price Lead time
10890 1 mg $110 in stock
20890 5 mg $165 in stock
40890 25 mg $380 in stock
50890 50 mg $695 in stock
60890 100 mg $1190 in stock
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AF 430's excitation maximum is at 430 nm, emission maximum is at 542 nm, and Stokes shift is 112 nm. AF 430 exhibits high photostability and pH-insensitive fluorescence. The dye can be excited by 405 nm violet laser or 445 nm laser.

AF 430 carboxylic acid is a non-reactive form of AF 430 dye that can be used for the analysis of labeled samples as a reference standard in procedures where AF 430 dye conjugates are involved.

Absorption and emission spectra of AF 430

Absorption and emission spectra of AF 430

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General properties

Appearance: yellow solid
Molecular weight: 541.58
Molecular formula: C22H23NF3KO7S
Solubility: good in DMF, DMSO, water
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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