Sulfo-Cyanine5 carboxylic acid

Cat. # Quantity Price Lead time
13390 1 mg $110.00 in stock
23390 5 mg $290.00 in stock
43390 25 mg $690.00 in stock
53390 50 mg $1270.00 in stock
63390 100 mg $1990.00 in stock
Delivery options for stock items

Non-activated sulfo-Cyanine5 carboxylic acid, water soluble dye. This dye is highly hydrophilic and water-soluble. Non-sulfonated analog is available.

The fluorophore is an equivalent of Cy5® carboxylic acid.

For labeling applications consider using pre-activated sulfo-Cy5 NHS ester

Sulfo-Cyanine5 absorbance and emission spectra

Sulfo-Cyanine5 absorbance and emission spectra

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Sulfo-Cyanine3 carboxylic acid

Sulfo-Cyanine3 free unactivated monofunctional carboxylic acid, water-soluble dye.

Cyanine5 NHS ester minimal dye

Cy5 NHS ester minimal dye for protein labeling.

Cyanine3 maleimide

Cyanine3 maleimide is a thiol mono reactive dye.

General properties

Appearance: dark blue powder
Molecular weight: 664.76
CAS number: 1121756-16-8, 1144162-77-5
Molecular formula: C32H37N2NaO8S2
Solubility: Good in water, DMF, DMSO. Low in non-polar organic solvents.
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.
MSDS: Download

Spectral properties

Excitation 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. Siltanen, C.A.; Cole, R.H.; Poust, S.; Chao, L.; Tyerman, J.; Kaufmann-Malaga, B.; Ubersax, J.; Gartner, Z.J.; Abate, A.R. An Oil-Free Picodrop Bioassay Platform for Synthetic Biology. Scientific Reports, 2018, 8, 7913. doi: 10.1038/s41598-018-25577-4
  2. Zhao, Y.; Zhang, W.; Li, C. Optimization of the conical mirror design based on Monte Carlo simulations for fluorescence molecular tomography. SPIE Proceedings: Multimodal Biomedical Imaging XIII, 2018, 10487, 104870M. doi: 10.1117/12.2290665
  3. Cho, U.; Riordan, D.P.; Ciepla, P.; Kocherlakota, K.S.; Chen, J.K.; Harbury, P.B. Ultrasensitive optical imaging with lanthanide lumiphores. Nature Chemical Biology, 2018, 14(1), 15–21. doi: 10.1038/nchembio.2513
  4. Than, A.; Liang, K.; Xu, S.; Sun, L.; Duan, H.; Xi, F.; Xu, C.; Chen, P. Transdermal Delivery of Anti-Obesity Compounds to Subcutaneous Adipose Tissue with Polymeric Microneedle Patches. Small Methods, 2017, 1(11), 1700269. doi: 10.1002/smtd.201700269
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