Cyanine2 NHS ester minimal dye

NHS esters Protein labeling

Cat. #	Quantity	Price	Lead time
1A041	5 nmol	$110	in stock
2A041	10 nmol	$140	in stock
3A041	25 nmol	$265	in stock

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Cyanine2 minimal dye for protein labeling, an equivalent of Cy2® NHS ester minimal dye.

This reagent is specially quantified - each package contains specified amount of NHS ester with quantity variation within 10%.

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Cyanine3 carboxylic acid

The free carboxylic acid of Cyanine3 dye. Non-sulfonated dye, with good solubility in organic solvents, and limited aqueous solubility.

BDP® 581/591 hydrazide

BDP 581/591 is a multi-purpose dye with bright emission. This is a hydrazide dye for the conjugation with aldehydes and ketones.

Amino derivative of fluorescein, pure 5-isomer. Contains a linker arm between the aliphatic amine group, and the fluorophore. Useful for the labeling via enzymatic transamination, for the reactions with electrophilic reagents, and for reductive amination.

General properties

Appearance:	yellow solid
Mass spec M+ increment:	550.2
Molecular weight:	637.39
Molecular formula:	C₃₂H₂₈BF₄N₃O₆
Solubility:	soluble in polar organic solvents
Quality control:	NMR ¹H, HPLC-MS, functional testing
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:	490
Emission maximum, nm:	510

Product citations

Miltner, N.; Kalló, G.; Csősz, É.; Miczi, M.; Nagy, T.; Mahdi, M.; Mótyán, J. A.; Tőzsér, J. Identification of SARS-CoV-2 Main Protease (Mpro) Cleavage Sites Using Two-Dimensional Electrophoresis and In Silico Cleavage Site Prediction. International Journal of Molecular Sciences, 2023, 24(4), 3236. doi: 10.3390/ijms24043236
McCarthy, K.P.; Go, D.B.; Senapati, S.; Chang, H.-C. An integrated ion-exchange membrane-based microfluidic device for irreversible dissociation and quantification of miRNA from ribonucleoproteins. Lab on a Chip, 2023, 23(2), 285-294. doi: 10.1039/d2lc00517d
Pletnev, P. I.; Shulenina, O.; Evfratov, S.; Treshin, V.; Subach, M. F.; Serebryakova, M. V.; Osterman, I. A.; Paleskava, A.; Bogdanov, A. A.; Dontsova, O. A.; Konevega, A. L.; Sergiev, P. V. Ribosomal Protein S18 Acetyltransferase RimI Is Responsible for the Acetylation of Elongation Factor Tu. Journal of Biological Chemistry, 2022, 298(5), 101914. doi: 10.1016/j.jbc.2022.101914
Ryabchevskaya, E. M.; Granovskiy, D. L.; Evtushenko, E. A.; Ivanov, P. A.; Kondakova, O. A.; Nikitin, N. A.; Karpova, O. V. Designing Stable Bacillus Anthracis Antigens with a View to Recombinant Anthrax Vaccine Development. Pharmaceutics, 2022, 14(4), 806. doi: 10.3390/pharmaceutics14040806

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Cy2® is a trademark of GE Healthcare.

Purchase of these products does not imply transfer of license to perform methods patented by Carnegie Mellon University and covered by US patents 6,043,025, 6,127,134, 6,246,190, 7566,544, and 7,598,047 "Difference gel electrophoresis using matched multiple dyes" and family members in Australia, Canada, Europe and Japan.

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.