AF 568 NHS ester

AF 568 NHS esters Protein labeling

Cat. #	Quantity	Price	Lead time
14820	1 mg	$125	in stock
24820	5 mg	$325	in stock
44820	25 mg	$720	in stock
54820	50 mg	$1325	in stock
64820	100 mg	$2090	in stock

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AF 568 is a synthetic fluorophore. The excitation peak of AF 568 lies at 572 nm and its emission peak is at 598 nm. It can be excited using a 561 nm laser. AF 568 is spectrally similar to TF4 (Tide Fluor™ 4), and sulfo-Cyanine3.5 dyes.

As AF 568 NHS ester can be conjugated with proteins and peptides, it is recommended for stable signal generation in imaging, including Western Blotting, fluorescence microscopy, and flow cytometry.

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Absorption and emission spectra of AF 568

General properties

Appearance:	dark colored solid
Mass spec M+ increment:	676.1
Molecular weight:	994.18
Molecular formula:	C₄₉H₆₃N₅O₁₃S₂
Solubility:	good in water, DMSO, DMF
Quality control:	NMR ¹H, HPLC-MS (80%)
Storage conditions:	Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS:	Download
	Product specifications

Spectral properties

Excitation/absorption maximum, nm:	572
ε, L⋅mol⁻¹⋅cm⁻¹:	94238
Emission maximum, nm:	598
Fluorescence quantum yield:	0.912
CF₂₆₀:	0.4
CF₂₈₀:	0.32

Product citations

Cepeda Diaz, A.K.; Rudlaff, R.M.; Farringer, M.; Dvorin, J.D. Essential function of alveolin Pf IMC1g in the Plasmodium falciparum asexual blood stage. mBio, 2023, 14(5), e01507-23. doi: 10.1128/mbio.01507-23
Khramtsov, Y.V.; Ulasov, A.V.; Slastnikova, T.A.; Rosenkranz, A.A.; Lupanova, T.N.; Georgiev, G.P.; Sobolev, A.S. Modular Nanotransporters Delivering Biologically Active Molecules to the Surface of Mitochondria. Pharmaceutics, 2023, 15(12), 2687. doi: 10.3390/pharmaceutics15122687

Tide Fluor™ is a trademark of AAT Bioquest.

This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.