Cyanine3.5 carboxylic acid

Cat. # Quantity Price Lead time
12090 1 mg $110.00 in stock
22090 5 mg $210.00 in stock
42090 25 mg $410.00 in stock
52090 50 mg $695.00 in stock
62090 100 mg $1190.00 in stock

Cyanine3.5 free unactivated monofunctional carboxylic acid. Can be used as a reference non-reactive dye or control. Cyanine3.5 is an analog of Cy3.5® fluorophore.

Cyanine3.5 absorbance and emission spectra

Cyanine3.5 absorbance and emission spectra

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Sulfo-Cyanine5 maleimide

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

Cyanine3 maleimide

Cyanine3 maleimide is a thiol mono reactive dye.

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.

General properties

Appearance: dark purple powder
Molecular weight: 593.20
CAS number: 1802928-88-6 (chloride), 1144107-79-8 (inner salt), 1802978-82-0 (without anion)
Molecular formula: C38H41ClN2O2
Solubility: soluble in organic solvents (DMF, DMSO, dichloromethane), insoluble 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.
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. Kwok, S.J.J.; Choi, M.; Bhayana, B.; Zhang, X.; Ran, C.; Yun, S.-H. Two-photon excited photoconversion of cyanine-based dyes. Scientific Reports, 2016, 6, 23866. doi: 10.1038/srep23866
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