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AAT Bioquest

XFD568 NHS Ester *Same Structure to Alexa Fluor™ 568 NHS Ester*

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Physical properties
Molecular weight791.80
SolventDMSO
Spectral properties
Correction Factor (260 nm)0.45
Correction Factor (280 nm)0.46
Extinction coefficient (cm -1 M -1)91300
Excitation (nm)579
Emission (nm)603
Quantum yield0.691
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
UNSPSC12171501
Related products
XFD488 azide *Same Structure to Alexa Fluor™ 488 azide*
XFD488 alkyne *Same Structure to Alexa Fluor™ 488 alkyne*
XFD488 C5 Maleimide *Same Structure to Alexa Fluor™ 488 C5 Maleimide*
XFD350 C5 Maleimide *Same Structure to Alexa Fluor™ 350 C5 Maleimide*
XFD532 C5 Maleimide *Same Structure to Alexa Fluor™ 532 C5 Maleimide*
XFD594 C5 Maleimide *Same Structure to Alexa Fluor™ 594 C5 Maleimide*
XFD488 Hydroxylamine *Same Structure to Alexa Fluor™ 488 Hydroxylamine*
XFD350 goat anti-mouse IgG (H+L) *Cross Adsorbed, XFD350 Same Structure to Alexa Fluor™ 350*
XFD488 goat anti-mouse IgG (H+L) *Cross Adsorbed, XFD488 Same Structure to Alexa Fluor™ 488*
XFD594 goat anti-mouse IgG (H+L) *Cross Adsorbed, XFD594 Same Structure to Alexa Fluor™ 594*
XFD350 goat anti-rabbit IgG (H+L) *Cross Adsorbed, XFD350 Same Structure to Alexa Fluor™ 350*
XFD488 goat anti-rabbit IgG (H+L) *Cross Adsorbed, XFD488 Same Structure to Alexa Fluor™ 488*
XFD594 goat anti-rabbit IgG (H+L) *Cross Adsorbed, XFD594 Same Structure to Alexa Fluor™ 594*
XFD488 amine *Same Structure to Alexa Fluor™ 488 amine*
XFD594 amine *Same Structure to Alexa Fluor™ 594 amine*
XFD350-streptavidin conjugate *XFD350 Same Structure to Alexa Fluor™ 350*
XFD488-streptavidin conjugate *XFD488 Same Structure to Alexa Fluor™ 488*
XFD594-streptavidin conjugate *XFD594 Same Structure to Alexa Fluor™ 594*
XFD350 Phalloidin *XFD350 Same Structure to Alexa Fluor™ 350*
XFD488 Phalloidin *XFD488 Same Structure to Alexa Fluor™ 488*
XFD594 Phalloidin *XFD594 Same Structure to Alexa Fluor™ 594*
XFD532 acid *Same Structure to Alexa Fluor™ 532 acid*
XFD488 acid *Same Structure to Alexa Fluor™ 488 acid*
XFD488 tyramide reagent *Same Structure to Alexa Fluor™ 488 tyramide*
XFD546 tyramide reagent *Same Structure to Alexa Fluor™ 546 tyramide*
XFD594 tyramide reagent *Same Structure to Alexa Fluor™ 594 tyramide*
XFD488 NHS Ester-UltraPure Grade *XFD488 Same Structure to Alexa Fluor™ 488*
XFD647 C2 Maleimide *Same Structure to Alexa Fluor™ 647 C2 Maleimide*
XFD350 tyramide reagent *Same Structure to Alexa Fluor™ 350 tyramide*
XFD568 tyramide reagent *Same Structure to Alexa Fluor™ 568 tyramide*
XFD350 acid *Same Structure to Alexa Fluor™ 350 acid*
XFD546 acid *Same Structure to Alexa Fluor™ 546 acid*
XFD568 acid *Same Structure to Alexa Fluor™ 568 acid*
XFD488 tetrazine *Same Structure to Alexa Fluor™ 488 tetrazine*
XFD488 aldehyde *Same Structure to Alexa Fluor™ 488 aldehyde*
XFD™488-dUTP *1 mM in Tris Buffer (pH 7.5)*
XFD514 acid
XFD514 tyramide
XFD532 tyramide
XFD647 Azide
XFD647 Alkyne
XFD488 TCO
XFD532 amine
XFD555 amine
XFD568 amine
XFD647 amine
XFD750 amine
XFD555 acid
XFD647 acid
XFD750 acid
XFD700 acid
XFD647 Phalloidin *equivalent to Alexa Fluor® 647 phalloidin*
Show More (42)

OverviewpdfSDSpdfProtocol


CAS
247145-38-6
Molecular weight
791.80
Correction Factor (260 nm)
0.45
Correction Factor (280 nm)
0.46
Extinction coefficient (cm -1 M -1)
91300
Excitation (nm)
579
Emission (nm)
603
Quantum yield
0.691
XFD568 is manufactured by AAT Bioquest, and it has the same chemical structure of Alexa Fluor® 568 (Alexa Fluor® is the trademark of ThermoFisher). It is a bright orange-fluorescent dye optimal for use with the frequency-doubled Nd:YAG laser line. XFD568 dye is water soluble and pH-insensitive from pH 4 to pH 10. The NHS ester (or succinimidyl ester) of XFD568 is the most convenient amine-reactive form for conjugating this dye to a protein or antibody.

Calculators


Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of XFD568 NHS Ester *Same Structure to Alexa Fluor™ 568 NHS Ester* to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM126.295 µL631.473 µL1.263 mL6.315 mL12.629 mL
5 mM25.259 µL126.295 µL252.589 µL1.263 mL2.526 mL
10 mM12.629 µL63.147 µL126.295 µL631.473 µL1.263 mL

Molarity calculator

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Spectrum


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spectrum

Spectral properties

Correction Factor (260 nm)0.45
Correction Factor (280 nm)0.46
Extinction coefficient (cm -1 M -1)91300
Excitation (nm)579
Emission (nm)603
Quantum yield0.691