BDP® FL L-Cystine
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 4146-1mg | 1 mg | $139 | in stock | |
| 4146-25mg | 25 mg |
$1680
|
in stock |
BDP FL L-cystine is a symmetric disulfide for reversible thiol-specific labeling of thiolated oligonucleotides, proteins, and cells.
BDP FL L-cystine consists of two BDP FL molecules connected via a disulfide bridge between two cysteine residues. In the dimeric disulfide state, the fluorescence of the dye is quenched.
Like other symmetric disulfides, BDP FL L-cystine undergoes a thiol-disulfide interchange reaction. Reduction of the disulfide bridge releases the monomeric dye molecule and results in fluorescence in the green region of the spectrum.
Absorption and emission spectra of BDP FL
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AF 430 maleimide
AF 430 is a green-yellow emitting fluorescent dye of the coumarin series. This maleimide derivative allows the labeling of thiolated biomolecules.General properties
| Appearance: | orange powder |
| Molecular weight: | 788.46 |
| Molecular formula: | C34H38B2F4N6O6S2 |
| IUPAC name: | (2R)-3-[[(2R)-2-carboxy-2-[3-(2,2-difluoro-10,12-dimethyl-1-aza-3-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-3,5,7,9,11-pentaen-4-yl)propanoylamino]ethyl]disulfanyl]-2-[3-(2,2-difluoro-10,12-dimethyl-1-aza-3-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-3,5,7,9,11-pentaen-4-yl)propanoylamino]propanoic acid |
| Quality control: | NMR 1H and HPLC-MS (95+%) |
| Storage conditions: | 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light. |
| MSDS: | Download |
| Product specifications |
Spectral properties
| Excitation/absorption maximum, nm: | 503 |
| ε, L⋅mol−1⋅cm−1: | 92000 |
| Emission maximum, nm: | 509 |
| Fluorescence quantum yield: | 0.97 |
| CF260: | 0.015 |
| CF280: | 0.027 |
Product is offered and sold for research purposes only. Product is not tested for safety and efficacy in food, drug, medical device, cosmetic, no express or implied authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, for humans or animals or for commercial purposes.
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