YODi-3, red fluorescent nucleic acid stain

Cat. # Quantity Price Lead time
2933-50uL 50 uL, 5 mM/DMSO $85 in stock
2933-200uL 200 uL, 5 mM/DMSO $350 in stock
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YODi-3 (Oxazole Red Homodimer, also known as YOYO®-3) is a red fluorescent carbocyanine dimeric dye. YODi-3 is a cell-impermeant nucleic acid stain that is nonfluorescent in the absence of nucleic acids but exhibits significant fluorescence enhancement upon binding to DNA.

The bright fluorescence signal and low background make YODi-3 ideal for staining nucleic acids on microarrays, as well as for nuclear and chromosome counterstaining in multicolor fluorescence labeling experiments.

Simultaneous labeling with cell-impermeant YODi-3 and cell-permeable LUCS 13 or Annexin V-AF488 can be used to assess cell viability and apoptosis.

Absorption and emission spectra of YODi-3 (DNA–dye complex)

Absorption and emission spectra of YODi-3 (DNA–dye complex)

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General properties

Appearance: dark violet solution
Molecular weight: 1322.73
CAS number: 156312-20-8
Molecular formula: C53H62I4N6O2
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: 612
Emission maximum, nm: 631
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