Cyanine3.5 carboxylic acid
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
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

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Cy5.5 unactivated free acid cyanine dye.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
- 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
Cy® is a trademark of GE Healthcare.
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