Cyanine3 hydrazide

Cat. # Quantity Price Lead time
11070 1 mg $125 in stock
21070 5 mg $260 in stock
41070 25 mg $510 in stock
51070 50 mg $895 in stock
61070 100 mg $1490 in stock
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Cyanine3 hydrazide is a carbonyl-reactive dye, an analog of Cy3® hydrazide.

This reagent allows to label various carbonyl-containing molecules such as antibodies and other glycoproteins after periodate oxidation, proteins which have undergone oxidative stress or deamination, or reducing saccarides. Cyanine3 is compatible with a number of fluorescent instruments.

Cyanine3 absorbance and emission spectra

Cyanine3 absorbance and emission spectra

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sulfo-Cyanine3 hydrazide

Cyanine3 hydrazide with sulfo groups, well soluble in water and readily reacting with carbonyl compounds.

sulfo-Cyanine5 maleimide

Thiol reactive maleimide, water soluble cyanine dye for Cy5 channel.

General properties

Appearance: red powder
Molecular weight: 543.57
Molecular formula: C30H40Cl2N4O
Solubility: moderate solubility in water, good in polar organic solvents (DMF, DMSO, alcohols)
Quality control: NMR 1H and HPLC-MS (95%)
Storage conditions: Storage: 24 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: 555
ε, L⋅mol−1⋅cm−1: 150000
Emission maximum, nm: 570
Fluorescence quantum yield: 0.31
CF260: 0.04
CF280: 0.09

Product citations

  1. Wang, Y.; Ling, X.; Zhang, C.; Zou, J.; Luo, B.; Luo, Y.; Jia, X.; Jia, G.; Zhang, M.; Hu, J.; Liu, T.; Wang, Y.; Lu, K.; Li, D.; Ma, J.; Liu, C.; Su, Z. Modular Characterization of SARS-CoV-2 Nucleocapsid Protein Domain Functions in Nucleocapsid-like Assembly. Molecular Biomedicine, 2023, 4(1), 16. doi: 10.1186/s43556-023-00129-z
  2. Zhao, Meng and Börner, Richard and Sigel, Roland K. O. and Freisinger, Eva. Site-Specific Dual-Color Labeling of Long RNAs. Methods in Molecular Biology, 2020, 2106, 253–270. doi: 10.1007/978-1-0716-0231-7_16
  3. Zhang, J.; Chetnani, B.; Cormack, E.D.; Alonso, D.; Liu, W.; Mondragon, A.; Fei, J. Specific structural elements of the T-box riboswitch drive the two-step binding of the tRNA ligand. eLife, 2018, 7, e39518. doi: 10.7554/eLife.39518
  4. Cui, Z.; Wu, Y.; Mureev, S.; Alexandrov, K. Oligonucleotide-mediated tRNA sequestration enables one-pot sense codon reassignment in vitro. Nucleic Acids Research, 2018, 46(12), 6387–6400. doi: 10.1093/nar/gky365
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