RAPID DiI, lipophilic tracer

Cat. # Quantity Price Lead time
3156-500ug 500 ug –   in stock
3156-5mg 5 mg $250 in stock
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RAPID DiI (also known as FAST DiI™) is a cyanine dye with orange-red fluorescence, an unsaturated analog of DiI (DiIC18(3)).

RAPID DiI is a lipophilic dye that labels cell membranes by inserting its two long hydrocarbon (C18 carbon) chains into the lipid bilayer. The dye is weakly fluorescent until incorporated into membranes. RAPID DiI diffuses laterally to stain the entire cell, allowing it to be used as an anterograde and retrograde tracer of neurons. In intact tissue, the dye does not transfer from labeled to unlabeled cells, but some transfer may occur when the membrane is disrupted, for example, after sectioning. RAPID DiI has about 50% faster migration kinetics than DiI.

RAPID DiI can be used with other tracers in dual-color studies, such as DiA and DiO.

RAPID DiI is a solid form for the direct application of crystals to membranes.

Absorption and emission spectra of RAPID DiI

Absorption and emission spectra of RAPID DiI

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General properties

Appearance: golden solid
Molecular weight: 975.44
Molecular formula: C60H89F3N2O3S
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.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 551
Emission maximum, nm: 565
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