Sulfo-Cyanine3 amine

Cat. # Quantity Price Lead time
113C0 1 mg $110.00 in stock
213C0 5 mg $290.00 in stock
413C0 25 mg $690.00 in stock
513C0 50 mg $1270.00 in stock
613C0 100 mg $1990.00 in stock

A water soluble dye with amino group, useful for the conjugation with electrophiles, and for enzymatic transamination labeling.

Sulfo-Cyanine3 is a sulfonated analog of Cy3®, which is compatible with various fluorescence measuring equipment. The dye is highly photostable. It is also easily detectable by naked eye.

Sulfo-Cy3 absorbance and emission spectra

Sulfo-Cy3 absorbance and emission spectra

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General properties

Appearance: dark red solid
Molecular weight: 714.94
CAS number: 2183440-43-7
Molecular formula: C36H50N4O7S2
IUPAC name: 3H-​Indolium, 1-​[6-​[(6-​aminohexyl)​amino]​-​6-​oxohexyl]​-​2-​[3-​(1,​3-​dihydro-​1,​3,​3-​trimethyl-​5-​sulfo-​2H-​indol-​2-​ylidene)​-​1-​propen-​1-​yl]​-​3,​3-​dimethyl-​5-​sulfo-​, inner salt
Solubility: soluble in water (0.49 M = 35 g/L), alcohols, DMSO, DMF
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 maximum, nm: 548
ε, L⋅mol−1⋅cm−1: 162000
Emission maximum, nm: 563
Fluorescence quantum yield: 0.1
CF260: 0.03
CF280: 0.06

Product citations

  1. Zhang, Q.; Scigliano, A.; Biver, T.; Pucci, A.; Swager, T.M. Interfacial Bioconjugation on Emulsion Droplet for Biosensors. Bioorganic & Medicinal Chemistry, 2018, 26(19), 5307–5313. doi: 10.1016/j.bmc.2018.04.020
  2. Sobotzki, N.; Schafroth, M.A.; Rudnicka, A.; Koetemann, A.; Marty, F.; Goetze, S.; Yamauchi, Y.; Carreira, E.M.; Wollscheid, B. HATRIC-based identification of receptors for orphan ligands. Nature Communications, 2018, 9, 1519. doi: 10.1038/s41467-018-03936-z
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