iFluor® 610 succinimidyl ester

iFluor® 610 succinimidyl ester is an amine-reactive fluorescent dye designed for covalent labeling of proteins, particularly antibodies, for fluorescence detection applications.

Amine-Reactive Labeling: Exhibits good reactivity and selectivity toward protein amino groups.
Spectral Properties: Excitation/emission maxima of 610/628 nm.
Photostability: Provides bright, photostable fluorescence with minimal protein quenching.
Dye Compatibility: Spectrally similar to Alexa Fluor® 610.

<p>HeLa cells were stained with mouse anti-tubulin followed with iFluor<sup>TM</sup> 610 goat anti-mouse IgG (H+L), and nuclei were stained with Nuclear Green<sup>TM</sup> DCS1 (Cat# 17550).</p>

Protocol

Catalog	Size	Price
1038	1 mg	Price
71038	100 ug	Price
71516	5 mg	Price
71566	10 mg	Price

Overview

AAT Bioquest's iFluor® dyes are optimized for labeling proteins, particularly antibodies. These dyes are bright, photostable, and have minimal quenching on proteins. They can be well excited by the major laser lines of fluorescence instruments (e.g., 350, 405, 488, 555, and 633 nm). iFluor® 610 dyes have fluorescence excitation and emission maxima of ~610 nm and ~628 nm respectively. These spectral characteristics make them an excellent replacement for Alexa Fluor® 610 labeling dye (Alexa Fluor® is the trademark of Invitrogen). iFluor® 610 SE is reasonably stable and shows good reactivity and selectivity with protein amino groups.

Calculators

Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of iFluor® 610 succinimidyl 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 mg	0.5 mg	1 mg	5 mg	10 mg
1 mM	79.775 µL	398.877 µL	797.754 µL	3.989 mL	7.978 mL
5 mM	15.955 µL	79.775 µL	159.551 µL	797.754 µL	1.596 mL
10 mM	7.978 µL	39.888 µL	79.775 µL	398.877 µL	797.754 µL

Molarity calculator

Enter any two values (mass, volume, concentration) to calculate the third.

Mass (Calculate)		Molecular weight		Volume (Calculate)		Concentration (Calculate)		Moles
mg	÷	1253.52 g/mol	=	mL	x	mM	=	mmol

Citations

View all 3 citations: Citation Explorer

Deep Sequencing Analysis of the Eha-Regulated Transcriptome of Edwardsiella tarda Following Acidification

Authors:

Gao, D and Liu, N and Li, Y and Zhang, Y and Liu, G and others

Journal:

Metabolomics (Los Angel) (2017): 2153--0769

Suramin inhibits cullin-RING E3 ubiquitin ligases

Authors:

Wu, Kenneth and Chong, Robert A and Yu, Qing and Bai, Jin and Spratt, Donald E and Ching, Kevin and Lee, Chan and Miao, Haibin and Tappin, Inger and Hurwitz, Jerard and others

Journal:

Proceedings of the National Academy of Sciences (2016): E2011--E2018

Glycosaminoglycan mimicry by COAM reduces melanoma growth through chemokine induction and function

Authors:

Piccard, Helene and Berghmans, Nele and Korpos, Eva and Dillen, Chris and Aelst, Ilse Van and Li, S and ra and Martens, Erik and Liekens, S and ra and Noppen, Sam and Damme, Jo Van and others

Journal:

International Journal of Cancer (2012): E425--E436

References

View all 49 references: Citation Explorer

Sequential ordering among multicolor fluorophores for protein labeling facility via aggregation-elimination based beta-lactam probes

Authors:

Sadhu KK, Mizukami S, Watanabe S, Kikuchi K.

Journal:

Mol Biosyst (2011): 1766

Visualizing dengue virus through Alexa Fluor labeling

Authors:

Zhang S, Tan HC, Ooi EE.

Journal:

J Vis Exp. (2011)

Fluorescent "Turn-on" system utilizing a quencher-conjugated peptide for specific protein labeling of living cells

Authors:

Arai S, Yoon SI, Murata A, Takabayashi M, Wu X, Lu Y, Takeoka S, Ozaki M.

Journal:

Biochem Biophys Res Commun (2011): 211

Neuroanatomical basis of clinical joint application of "Jinggu" (BL 64, a source-acupoint) and "Dazhong" (KI 4, a Luo-acupoint) in the rat: a double-labeling study of cholera toxin subunit B conjugated with Alexa Fluor 488 and 594

Authors:

Cui JJ, Zhu XL, Ji CF, Jing XH, Bai WZ.

Journal:

Zhen Ci Yan Jiu (2011): 262

Simultaneous detection of virulence factors from a colony in diarrheagenic Escherichia coli by a multiplex PCR assay with Alexa Fluor-labeled primers

Authors:

Kuwayama M, Shigemoto N, Oohara S, Tanizawa Y, Yamada H, Takeda Y, Matsuo T, Fukuda S.

Journal:

J Microbiol Methods (2011): 119

Physical properties

Molecular weight	1253.52
Solvent	DMSO

Spectral properties

Correction factor (260 nm)	0.32
Correction factor (280 nm)	0.49
Extinction coefficient (cm ^-1 M ^-1)	110000 ¹
Excitation (nm)	610
Emission (nm)	628
Quantum yield	0.85 ¹

Usage and storage

Intended use	Research Use Only (RUO)
Storage	Freeze (< -15 °C); Minimize light exposure

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Page updated on November 9, 2026