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Fluorescein-12-dCTP
1 mM in Tris Buffer (pH 7.5)
Fluorescein-12-dCTP might be incorporated into a DNA sequence as its natural counterpart dCTP to incorporate a fluorescein tag in a DNA molecule. It can be used for the direct enzymatic labeling of DNA/cDNA, e.g., by PCR or Nick Translation. The resulting fluorescein-labeled DNA/cDNA probes are ideally suited for fluorescence hybridization applications such as FISH or microarray-based gene expression profiling. The linker between fluorescein tag and cytidine has been optimized for the optimal substrate incorporation and labeling efficiency.
Chemical structure for Fluorescein-12-dCTP *1 mM in Tris Buffer (pH 7.5)* .
Chemical structure for Fluorescein-12-dCTP *1 mM in Tris Buffer (pH 7.5)* .
CatalogSize
Price
Quantity
1703525 nmoles
Price
 
Physical properties

Molecular weight991.69
SolventWater
Spectral properties

Absorbance (nm)487
Correction factor (260 nm)0.32
Correction factor (280 nm)0.35
Extinction coefficient (cm -1 M -1)
80000
1
Excitation (nm)498
Emission (nm)517
Quantum yield
0.7900
1
0.95
2
Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
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Page updated on November 5, 2025