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XFD405 NHS Ester [equivalent to Alexa Fluor™ 405 NHS Ester]

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Physical properties
Molecular weight1028.26
SolventDMSO
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
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


Molecular weight
1028.26
XFD405 NHS Ester (Succinimidyl Ester) is the same molecule as Alexa Fluor® 405 NHS Ester (#A30000 from ThermoFisher, Alexa Fluor® is the trademark of ThermoFisher). It is a moderately bright blue-fluorescent dye optimal for use with the 405 nm Violet laser. XFD405 dye is water soluble and pH-insensitive from pH 4 to pH 10. XFD405 NHS ester is the most convenient amine-reactive form for conjugating this dye to a protein or antibody. XFD405 NHS Ester is primarily used for preparing fluorescent antibody conjugates for multicolor flow cytometry applications.

Calculators


Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of XFD405 NHS Ester [equivalent to Alexa Fluor™ 405 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 mM97.252 µL486.258 µL972.517 µL4.863 mL9.725 mL
5 mM19.45 µL97.252 µL194.503 µL972.517 µL1.945 mL
10 mM9.725 µL48.626 µL97.252 µL486.258 µL972.517 µL

Molarity calculator

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Product Family


NameExcitation (nm)Emission (nm)Extinction coefficient (cm -1 M -1)Quantum yieldCorrection Factor (260 nm)Correction Factor (280 nm)
XFD488 NHS Ester *Same Structure to Alexa Fluor™ 488 NHS Ester*499520710000.9210.300.11
XFD350 NHS Ester *Same Structure to Alexa Fluor™ 350 NHS Ester*34344119000-0.250.19
XFD532 NHS Ester *Same Structure to Alexa Fluor™ 532 NHS Ester*534553810000.6110.240.09
XFD594 NHS Ester *Same Structure to Alexa Fluor™ 594 NHS Ester*590618900000.6610.430.56
XFD555 NHS Ester *Same Structure to Alexa Fluor™ 555 NHS Ester*5535681500000.110.080.08
XFD647 NHS Ester *Same Structure to Alexa Fluor™ 647 NHS Ester*6506712390000.3310.000.03
XFD680 NHS Ester *Same Structure to Alexa Fluor™ 680 NHS Ester*6817041840000.3610.000.05
XFD700 NHS Ester *Same Structure to Alexa Fluor™ 700 NHS Ester*6967191920000.2510.000.07
XFD750 NHS Ester *Same Structure to Alexa Fluor™ 750 NHS Ester*7527762400000.1210.000.04
XFD546 NHS Ester *Same Structure to Alexa Fluor™ 546 NHS Ester*5615721120000.7910.210.12
XFD568 NHS Ester *Same Structure to Alexa Fluor™ 568 NHS Ester*579603913000.6910.450.46
XFD514 NHS Ester *Same Structure to Alexa Fluor™ 514 NHS Ester*51854380000-0.310.18
QXY21 NHS ester [equivalent to QSY-21 NHS ester]--890001--0.32
Cy5DIGE NHS ester65167025000010.271, 0.420.020.03
Cy2DIGE NHS ester4925081500000.1200.080.15
Cy3DIGE NHS ester55556915000010.1510.070.073
QXY7 NHS ester [equivalent to QSY-7 NHS ester]--900001--0.22
Cy3B NHS ester56057112000010.5810.0480.069
CypHer5E NHS Ester643660----
CypHer7E NHS Ester748769----
Show More (11)

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References


View all 6 references: Citation Explorer
Effects of Viscosity and Refractive Index on the Emission and Diffusion Properties of Alexa Fluor 405 Using Fluorescence Correlation and Lifetime Spectroscopies.
Authors: van Zanten, Camila and Melnikau, Dzmitry and Ryder, Alan G
Journal: Journal of fluorescence (2021): 835-845
Author Correction: A dynamic three-step mechanism drives the HIV-1 pre-fusion reaction.
Authors: Iliopoulou, Maro and Nolan, Rory and Alvarez, Luis and Watanabe, Yasunori and Coomer, Charles A and Jakobsdottir, G Maria and Bowden, Thomas A and Padilla-Parra, Sergi
Journal: Nature structural & molecular biology (2019): 526
Egg autofluorescence and options for detecting peanut agglutinin binding for the identification of Haemonchus contortus eggs in fecal samples.
Authors: Abbas, Ibrahim and Hildreth, Michael
Journal: Veterinary parasitology (2019): 69-74
Identification of novel cell-impermeant fluorescent substrates for testing the function and drug interaction of Organic Anion-Transporting Polypeptides, OATP1B1/1B3 and 2B1.
Authors: Patik, Izabel and Székely, Virág and Német, Orsolya and Szepesi, Áron and Kucsma, Nóra and Várady, György and Szakács, Gergely and Bakos, Éva and Özvegy-Laczka, Csilla
Journal: Scientific reports (2018): 2630
Energy transfer between a biological labelling dye and gold nanorods.
Authors: Racknor, Chris and Singh, Mahi R and Zhang, Yinan and Birch, David J S and Chen, Yu
Journal: Methods and applications in fluorescence (2013): 015002
Violet laser diodes in flow cytometry: an update.
Authors: Telford, William and Kapoor, Veena and Jackson, James and Burgess, Walter and Buller, Gayle and Hawley, Teresa and Hawley, Robert
Journal: Cytometry. Part A : the journal of the International Society for Analytical Cytology (2006): 1153-60