Cyanine3.5 NHS ester

Cat. # Quantity Price Lead time
12020 1 mg $125 in stock
22020 5 mg $260 in stock
42020 25 mg $510 in stock
52020 50 mg $895 in stock
62020 100 mg $1490 in stock
Found better price? Let us know and we will propose the way forward!

Cyanine3.5 NHS ester (an analog of Cy3.5® NHS ester) is a reactive dye for the labeling of amino-groups in peptides, proteins, and oligonucleotides.

Cyanine3.5 NHS ester can replace NHS esters of Cy3.5®, DyLight 594.

Cyanine3.5 NHS ester absorbance and emission spectra

Cyanine3.5 NHS ester absorbance and emission spectra

Customers also purchased with this product

FAM alkyne, 6-isomer

Fluorescein dye alkyne for click chemistry conjugation, pure 6-isomer.

Cyanine5.5 hydrazide

Cyanine5.5 hydrazide is a carbonyl reactive NIR dye which is particularly suitable for the labeling of periodate oxidized glycoproteins, i.e. antibodies.

Cyanine2 NHS ester minimal dye

Cyanine2 NHS ester minimal dye for protein labeling

General properties

Appearance: dark purple solid
Molecular weight: 741.62
CAS number: 2231670-85-0
Molecular formula: C42H44N3BF4O4
Solubility: soluble in organic solvents (DMF, DMSO, dichloromethane), insoluble in water
Quality control: NMR 1H and HPLC-MS (95%)
Storage conditions: Storage: 12 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: 591
ε, L⋅mol−1⋅cm−1: 116000
Emission maximum, nm: 604
Fluorescence quantum yield: 0.35
CF260: 0.29
CF280: 0.22

Product citations

  1. Tang, M.; Chen, B.; Xia, H.; Pan, M.; Zhao, R.; Zhou, J.; Yin, Q.; Wan, F.; Yan, Y.; Fu, C.; Zhong, L.; Zhang, Q.; Wang, Y. pH-gated nanoparticles selectively regulate lysosomal function of tumour-associated macrophages for cancer immunotherapy. Nature Communications, 2023, 14, 5888. doi: 10.1038/s41467-023-41592-0
  2. Yin, Q.; Pan, A.; Chen, B.; Wang, Z.; Tang, M.; Yan, Y.; Wang, Y.; Xia, H.; Chen, W.; Du, H.; Chen, M.; Fu, C.; Wang, Y.; Yuan, X.; Lu, Z.; Zhang, Q.; Wang, Y. Quantitative Imaging of Intracellular Nanoparticle Exposure Enables Prediction of Nanotherapeutic Efficacy. Nat Commun, 2021, 12(1), 2385. doi: 10.1038/s41467-021-22678-z
  3. Lee, S.A.; Biteen, J.S. Spectral Reshaping of Single Dye Molecules Coupled to Single Plasmonic Nanoparticles. Journal of Physical Chemistry Letters, 2019, 10, 5764–5769. doi: 10.1021/acs.jpclett.9b02480
  4. Kravchuk, O.I.; Lyupina, Y.V.; Erokhov, P.A.; Finoshin, A.D.; Adameyko, K.I.; Mishyna, M.Y.; Moiseenko, A.V.; Sokolova, O.S.; Orlova, O.V.; Beljelarskaya, S.N.; Serebryakova, M.V.; Indeykina, M.I.; Bugrova, A.E.; Kononikhin, A.S.; Mikhailov, V.S. Characterization of the 20S proteasome of the lepidopteran, Spodoptera frugiperda. Biochimica et Biophysica Acta - Proteins and Proteomics, 2019, 1867(9), 840–853. doi: 10.1016/j.bbapap.2019.06.010
Show more (4)
Your item has been added. View your cart or proceed to checkout
The count of items is incorrect.