Cyanine7 carboxylic acid

Cat. # Quantity Price Lead time
15090 1 mg $110.00 in stock
25090 5 mg $210.00 in stock
45090 25 mg $410.00 in stock
55090 50 mg $695.00 in stock
65090 100 mg $1190.00 in stock

Free unactivated Cyanine7 dye carboxylic acid. Near-infrared fluorescent dye.

For coupling and labeling reactions also consider using pre-activated Cyanine7 NHS ester, or water-soluble sulfo-Cyanine7 NHS ester.

Cyanine7 absorbance and emission spectra

Cyanine7 absorbance and emission spectra

Customers also purchased with this product

Cyanine7.5 azide

Long-wavelength NIR fluorescent dye azide for Click chemistry.

Sulfo-Cyanine5 maleimide

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

Alkyne Phosphoramidite, 5'-terminal

Alkyne phosphoramidite for the synthesis of oligonucleotides ready for Click chemistry.

General properties

Appearance: green powder
Molecular weight: 585.22
CAS number: 1628790-40-8 (chloride), 1628897-82-4 (without anion), 2241083-63-4 (inner salt)
Molecular formula: C37H45ClN2O2
IUPAC name: 3H-​Indolium, 2-​[2-​[3-​[2-​[1-​(5-​carboxypentyl)​-​1,​3-​dihydro-​3,​3-​dimethyl-​2H-​indol-​2-​ylidene]​ethylidene]​-​1-​cyclohexen-​1-​yl]​ethenyl]​-​1,​3,​3-​trimethyl-​, chloride
Solubility: soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility in water
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: 750
ε, L⋅mol−1⋅cm−1: 199000
Emission maximum, nm: 773
CF260: 0.022
CF280: 0.029

Product citations

  1. Yang, C.; Liu, D.; Renny, A.; Kuttipillai, P.S.; Lunt, R.R. Integration of near-infrared harvesting transparent luminescent solar concentrators onto arbitrary surfaces. Journal of Luminescence, 2019, 210, 239–246. doi: 10.1016/j.jlumin.2019.02.042
  2. Luthman, A.S. Wide-Field fHSI with a Linescan SRDA. In: Spectrally Resolved Detector Arrays for Multiplexed Biomedical Fluorescence Imaging (Springer Thesis), 2018, 51–85. doi: 10.1007/978-3-319-98255-7_3
  3. Luthman, A.S.; Dumitru, S.; Quiros-Gonzalez, I.; Joseph, J.; Bohndiek, S.E. Fluorescence hyperspectral imaging (fHSI) using a spectrally resolved detector array. Journal of Biophotonics, 2017, 10(6–7), 840–853. doi: 10.1002/jbio.201600304
  4. Zhao, Y.; Fay, F.; Hak, S.; Manuel Perez-Aguilar, J.; Sanchez-Gaytan, B.L.; Goode, B.; Duivenvoorden, R.; de Lange Davies, C.; Bjørkøy, A.; Weinstein, H.; Fayad, Z.A.; Pérez-Medina, C.; Mulder, W.J.M. Augmenting drug-carrier compatibility improves tumour nanotherapy efficacy. Nature Communications, 2016, 7, 11221. doi: 10.1038/ncomms11221
Show more (1)
Your item has been added. View your cart or proceed to checkout
The count of items is incorrect.