Thiazole orange dimer YOYO 1

Catalog No.: A24873
Fluorescent Dye
Thiazole orange dimer YOYO 1 is a fluorescent dye that specifically targets DNA for staining applications. As a tetracationic homodimer of oxazole yellow, it exhibits minimal fluorescence in solution but significantly enhances its emission upon binding to double-stranded DNA via diintercalation, resulting in a fluorescence intensity increase of over 3200-fold. This remarkable amplification of fluorescence makes YOYO 1 an invaluable tool for various research applications, including nucleic acid quantification and visualization in molecular biology and genetic studies.
Grouped product items
Size Price Stock Qty
25mg
$1,275.00
In stock
50mg
$1,625.00
In stock
100mg
$2,000.00
In stock
Bulk Size
Bulk Discount
Free Delivery on orders over $500
Research use only. We do not sell to patients.

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Adooq Products cited in reputable paper
Science VOLUME 380, ISSUE 6663 (2023)
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Science VOLUME 356, ISSUE 6336 (2017)
Cell Vol. 185 Issue 23 p4428-4447.e28
Cell Vol 177, Issue 7, p1933-1947.e25
Cell Vol 156, Issue 5, p857-1114
Nature Volume 622 Issue 7982 (2023)
Nature volume 620, pages890-897 (2023)
Nature volume 610, pages540-546 (2022)
Nature volume 588, pages83-88 (2020)
Nature volume 574, pages268-272 (2019)
Nature volume 573, pages539-545 (2019)
Nature volume 567, pages118-122 (2019)
Nature volume 551, pages639-643 (2017)
Nature volume 551, pages247-250 (2017)
Nature volume 548, pages356-360 (2017)
Nature volume 545, pages187-192 (2017)
Biological Activity
DescriptionThiazole orange dimer YOYO 1 is a fluorescent dye that specifically targets DNA for staining applications. As a tetracationic homodimer of oxazole yellow, it exhibits minimal fluorescence in solution but significantly enhances its emission upon binding to double-stranded DNA via diintercalation, resulting in a fluorescence intensity increase of over 3200-fold. This remarkable amplification of fluorescence makes YOYO 1 an invaluable tool for various research applications, including nucleic acid quantification and visualization in molecular biology and genetic studies.
Product Information
Catalog NumA24873
FormulaC49H58I4N6O2
Molecular Weight1270.64
CAS Number143413-85-8
SMILESCN1C2=CC=CC=C2O/C1=C\C3=CC=[N+](C4=C3C=CC=C4)CCC[N+](CCC[N+](CCC[N+]5=CC=C(C6=C5C=CC=C6)/C=C7N(C8=C(O/7)C=CC=C8)C)(C)C)(C)C.[I-].[I-].[I-].[I-]
SynonymsYOYO 1; YOYO1
Useful Calculator

This calculator helps you calculate mass of compound based on solution concentration, volume and molecular weight in a specific solution using the formula:

Mass (mg) = Concentration (mM) × Volume (mL) × Molecular Weight (g/mol)

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Calculate the dilution required to prepare a stock solution.
This equation is commonly abbreviated as: C1V1 = C2V2

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