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Medchemexpress LLC Pyrromethene 556 | 121461-69-6 | 99.0% | 466.20 g·mol⁻1 | C14H15BF2N2Na2O6S2 | 5 MG
Supplier: Medchemexpress LLC HYW2481185MG
Pyrromethene 556 is a green-fluorescent pyrromethene dye used as a polar tracer and as a fluorescent gain medium in research. It is employed for studies of membrane fusion, lysis, gap-junctional communication, and liposome or cell-volume assays, offering strong absorption and emission in polar solvents and high fluorescence efficiency.
- High molar absorptivity at 492 nm in methanol.
- Emission peak around 533 nm in methanol.
- High fluorescence quantum yield (~0.73 in water).
- Solid form with high reported purity (~99.0%).
- Supplied in small research quantities (5 mg).
- Soluble in common polar solvents such as methanol, DMF, and water.
- Suitable for membrane and liposome assays and laser dye applications.
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