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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Sulfo-Cyanine5.5 amine

Sulfo-Cyanine5.5 is a far red/NIR fluorophore possessing high hydrophilicity and aqueous solubility. The dye displays good brightness in far red region due to outstanding molar extinction coefficient. This is amine derivative which is reactive towards electrophiles. It can also be used for enzymatic transamination labeling.

Sulfo-Cyanine7.5 NHS ester

A water soluble near infrared emitting dye for in vivo imaging applications. Sulfo-Cyanine7.5 is an analog of indocyanine green (ICG) possessing higher emission quantum yield, and containing a linker arm.

TAMRA amine, 5-isomer

TAMRA (tetramethylrhodamine) dye, pure 5-isomer, with an amine group for the conjugation with electrophilic reagents (NHS esters, epoxides, etc).
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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: good in water, 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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