Cyanine7.5 alkyne

Cat. # Quantity Price Lead time
A60B0 1 mg $125 in stock
B60B0 5 mg $260 in stock
C60B0 10 mg $325 in stock
D60B0 25 mg $510 in stock
E60B0 50 mg $895 in stock
F60B0 100 mg $1490 in stock
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Alkyne derivative of Cyanine7.5, a near infrared fluorophore. This alkyne is suitable for copper-catalyzed click chemistry.

This fluorophore is useful for in vivo imaging, its spectral properties are similar to ICG (indocyanine green) with somewhat higher fluorescence quantum yield.

Absorbance and emission spectra of Cyanine7.5

Absorbance and emission spectra of Cyanine7.5

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sulfo-Cyanine5.5 NHS ester

Water soluble, sulfonated, far-red sulfo-Cyanine5.5 dye in the form of NHS ester.

General properties

Appearance: dark green powder
Mass spec M+ increment: 686.4
Molecular weight: 722.40
Molecular formula: C48H52ClN3O
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/absorption maximum, nm: 788
ε, L⋅mol−1⋅cm−1: 223000
Emission maximum, nm: 808
Fluorescence quantum yield: 0.10

Product citations

  1. Wang, Y.-J.; Li, L.; Yu, J.; Hu, H.-Y.; Liu, Z.-X.; Jiang, W.-J.; Xu, W.; Guo, X.-P.; Wang, F.-S.; Sheng, J.-Z. Imaging of Escherichia Coli K5 and Glycosaminoglycan Precursors via Targeted Metabolic Labeling of Capsular Polysaccharides in Bacteria. Sci. Adv., 2023, 9(7), eade4770. doi: 10.1126/sciadv.ade4770
  2. Li, M.; Ruwe, H.; Melzer, M.; Junker, A.; Hensel, G.; Tschiersch, H.; Schwenkert, S.; Chamas, S.; Schmitz-Linneweber, C.; Börner, T.; Stein, N. The Arabidopsis AAC Proteins CIL and CIA2 Are Sub-functionalized Paralogs Involved in Chloroplast Development. Frontiers in Plant Science, 2021, 12, 681375. doi: 10.3389/fpls.2021.681375
  3. Li, M.; Hensel, G.; Melzer, M.; Junker, A.; Tschiersch, H.; Ruwe, H.; Arend, D.; Kumlehn, J.; Börner, T.; Stein, N. Mutation of the ALBOSTRIANS Ohnologous Gene HvCMF3 Impairs Chloroplast Development and Thylakoid Architecture in Barley. Frontiers in Plant Science, 2021, 12, 732608. doi: 10.3389/fpls.2021.732608
  4. Chan, P.S.; Xian, J.W.; Li, Q.; Chan, C.W.; Leung, S.S.Y.; To, K.K.W. Biodegradable Thermosensitive PLGA-PEG-PLGA Polymer for Non-irritating and Sustained Ophthalmic Drug Delivery. AAPS Journal, 2019, 21, 59. doi: 10.1208/s12248-019-0326-x
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