sulfo-Cyanine5 amine

Cat. # Quantity Price Lead time
133C0 1 mg $115 in stock
233C0 5 mg $285 in stock
433C0 25 mg $680 in stock
533C0 50 mg $1270 in stock
633C0 100 mg $1990 in stock
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Water soluble amino dye for enzymatic transamination labeling and other couplings with electrophiles. Cyanine5 is a popular fluorophore that is compatible with different fluorescence measuring instruments.

sulfo-Cyanine5 derivatives possess good water solubility.

Sulfo-Cyanine5 absorbance and emission spectra

Sulfo-Cyanine5 absorbance and emission spectra

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sulfo-Cyanine5.5 amine

sulfo-Cyanine5.5 is a far-red/NIR fluorophore possessing high hydrophilicity and aqueous solubility. This is an amine derivative that is reactive toward electrophiles. It can also be used for enzymatic transamination labeling.

dsGreen Nucleic Acid Gel Staining Solution, 10000×

dsGreen for staining dsDNA in agarose and polyacrylamide gels.

Cyanine5 maleimide

Cyanine5 maleimide reacts with thiols to give dye labeled conjugates.

General properties

Appearance: dark blue solid
Molecular weight: 740.98
CAS number: 2183440-44-8
Molecular formula: C38H52N4O7S2
IUPAC name: 3H-​Indolium, 1-​[6-​[(6-​aminohexyl)​amino]​-​6-​oxohexyl]​-​2-​[5-​(1,​3-​dihydro-​1,​3,​3-​trimethyl-​5-​sulfo-​2H-​indol-​2-​ylidene)​-​1,​3-​pentadien-​1-​yl]​-​3,​3-​dimethyl-​5-​sulfo-​, inner salt
Solubility: moderate in water, well soluble in DMF, DMSO, alcohols
Quality control: NMR 1H, 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: 646
ε, L⋅mol−1⋅cm−1: 271000
Emission maximum, nm: 662
Fluorescence quantum yield: 0.28
CF260: 0.04
CF280: 0.04

Product citations

  1. Wu, X.; Babi, M.; Moran-Mirabal, J.; Pelton, R.H. Grafting polyanhydride polymers to cellulose nanofibers. Research Square, 2024, preprint. doi: 10.21203/
  2. Mochalova, E.N.; Egorova, E.A.; Komarova, K.S.; Shipunova, V.O.; Khabibullina, N.F.; Nikitin, P.I.; Nikitin, M.P. Comparative Study of Nanoparticle Blood Circulation after Forced Clearance of Own Erythrocytes (Mononuclear Phagocyte System-Cytoblockade) or Administration of Cytotoxic Doxorubicin- or Clodronate-Loaded Liposomes. International Journal of Molecular Sciences, 2023, 24(13), 10623. doi: 10.3390/ijms241310623
  3. Zhong, Y.; Maruf, A.; Qu, K.; Milewska, M.; Wandzik, I.; Mou, N.; Cao, Y.; Wu, W. Nanogels with covalently bound and releasable trehalose for autophagy stimulation in atherosclerosis. Journal of Nanobiotechnology, 2023, 21, 472. doi: 10.1186/s12951-023-02248-9
  4. Tuzikov, A.; Shilova, N.; Ovchinnikova, T.; Nokel, A.; Patova, O.; Knirel, Y.; Chernova, T.; Gorshkova, T.; Bovin, N. Labeling of Polysaccharides with Biotin and Fluorescent Dyes. Polysaccharides, 2023, 5(1), 1-15. doi: 10.3390/polysaccharides5010001
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