Sulfo-Cyanine3 carboxylic acid

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Sulfo-Cyanine3 carboxylic acid

标签:Carboxylic acids, sulfo-Cyanine3,Cy3
货号 规格 价格 货期
11390 1 mg 110.00$ in stock
21390 5 mg 210.00$ in stock
41390 25 mg 410.00$ in stock
51390 50 mg 695.00$ in stock
61390 100 mg 1190.00$ in stock

Water soluble sulfo-Cyanine3 dye, free unactivated monofunctional carboxylic acid. This reagent can be used as a reference fluorophore for Cy3® detection channel, as a control in experiments with other sulfo-Cyanine3 labeled products. Carboxylic acid can be also activated with carbodiimides.

Absorbance and emission spectra are identical with Cy3® fluorophore.

水溶性磺基-Cyanine3 染料,游离未活化的单官能羧酸。 该试剂可用作 Cy3® 检测通道的参考荧光团,在其他磺基-Cyanine3 标记产品的实验中用作对照。 羧酸也可以用碳二亚胺活化。

吸光度和发射光谱与 Cy3® 荧光团相同。

Sulfo-Cyanine3 absorbance and emission spectra

Sulfo-Cyanine3 carboxylic acid

Sulfo-Cyanine3 carboxylic acid相关产品

AF568 azide, 6-isomer

AF 568 derivative designed for different imaging applications

AF 568 衍生产品专为不同的成像应用而设计

THPTA ligand

THPTA is a water soluble ligand for Cu(I) catalyzed Click chemistry. The ligand stabilizes copper in its Cu(I) oxidation state. Due to high aqueous solubility, reactions with this ligand do not require an organic co-solvent.

THPTA 是一种用于 Cu(I) 催化点击化学的水溶性配体。 配体将铜稳定在其 Cu(I) 氧化态。 由于高水溶性,与该配体的反应不需要有机助溶剂。

Cyanine3 amine

Cyanine3 is an fluorophore with free amino group (amino-dye). It can be conjugated with NHS esters, carboxy groups (after activation), and epoxides.

Cy3 是一种带有游离氨基的荧光团(氨基染料)。 它可以与 NHS 酯、羧基(活化后)和环氧化物结合。

General properties

Appearance: dark red crystals 暗红色晶体
Molecular weight: 654.84
CAS number: 1121756-11-3 (inner salt); 1941997-61-0 (sodium salt)
Molecular formula: C30H35N2KO8S2
IUPAC name: 3H-​Indolium, 2-​[3-​[1-​(5-​carboxypentyl)​-​1,​3-​dihydro-​3,​3-​dimethyl-​5-​sulfo-​2H-​indol-​2-​ylidene]​-​1-​propen-​1-​yl]​-​1,​3,​3-​trimethyl-​5-​sulfo-​, inner salt, potassium salt
Solubility: Well soluble in water, DMF, DMSO (0.55 M = 360 g/L). Practically insoluble 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.

储存:收到后 24 个月,在 -20°C 避光保存。 运输:在室温下长达 3 周。 避免长时间暴露在光线下。

MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 548
ε, L⋅mol−1⋅cm−1: 162000
Emission maximum, nm: 563
Fluorescence quantum yield: 0.1
CF260: 0.03
CF280: 0.06


  1. Vallmitjana, A.; Torrado, B.; Dvornikov, A.; Ranjit, S.; Gratton, E. Blind Resolution of Lifetime Components in Individual Pixels of Fluorescence Lifetime Images Using the Phasor Approach. Journal of Physical Chemistry B, 2020, 124(45), 10126–10137. doi: 10.1021/acs.jpcb.0c06946
  2. 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
  3. Spears, B.R.; Marin, M.A.; Chaker, A.N.; Lampley, M.W.; Harth, E. Precise Microscale Polymeric Networks through Piezoelectronic Inkjet Printing. ACS Biomaterials Science & Engineering, 2016, 2(8), 1265–1272. doi: 10.1021/acsbiomaterials.6b00175
Cy® is a trademark of GE Healthcare.