AF 430 carboxylic acid
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
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 |
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
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AF 430 is a green-yellow emitting fluorescent dye of the coumarin series. This maleimide derivative allows the labeling of thiolated biomolecules.AF 647 carboxylic acid
AF 647 carboxylic acid is a water-soluble dye that can be used as a reference standard for dye conjugates and the synthesis of AF647-containing biomolecules.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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