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Cy5.5

(Synonyms: Sulfo-Cyanine5.5)
63 Cited Publications
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Based on 63 publication(s) in Google Scholar

Cy5.5 is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis. CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance.

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  • Purity: 98.41%
  • CAS No.: 210892-23-2
  • Formula: C41H44N2O14S4
  • Molecular Weight:917.05
  • Storage:

    4°C, protect from light

    * In solvent : -80°C, 2 years; -20°C, 1 year (protect from light)

  • Cy5.5 Chemical Structure
    Cy5.5 Chemical Structure
  • Experimental Validation Results for Cy5.5
  • Experimental Validation Results for Cy5.5
  • Experimental Validation Results for Cy5.5
  • Experimental Validation Results for Cy5.5
  • Experimental Validation Results for Cy5.5
CAS No.: 210892-23-2
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[email protected] [email protected]
Find Your Local Distributor Your local distributor: Hycultec GmbHHycultec
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In Vivo ImagingHistological Imaging/StainingIF
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  • Histological Imaging/Staining
  • In Vivo Imaging
  • Histological Imaging/Staining
  • IF
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  • Cy5.5 Chemical Structure
    Cy5.5 Chemical Structure
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    Cy5.5 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Aug 18;16(1):7672. [Abstract]

    Customer Validation
     In vivo Cy5.5 fluorescence images of CT2A-bearing mice at different time points after intravenous injection of different formulations.

  • 1/16

    Cy5.5 purchased from MedChemExpress. Usage Cited in: Acta Pharm Sin B. 2025 Jun;15(6):3226-3242. [Abstract]

    Customer Validation
     Ex vivo images of the tumor tissues and major organs (heart, liver, spleen, lung and kidney).

  • 1/16

    Cy5.5 purchased from MedChemExpress. Usage Cited in: Acta Pharm Sin B. 2025 Nov;15(11):6034-6051. [Abstract]

    Customer Validation
     Representative imaging of Cy5.5 fluorescence intensity at various time points post-injection in rats, indicative of local drug retention.

  • 1/16

    Cy5.5 purchased from MedChemExpress. Usage Cited in: Acta Pharm Sin B. 2025 Nov;15(11):6019-6033. [Abstract]

    Customer Validation
     Fluorescence images of Cy5.5-labeled EcNΔpMUT1/2 and EcN-ePD-L1-mFc spatiotemporally resident in the gastrointestinal tract of mice.

  • 1/16

    Cy5.5 purchased from MedChemExpress. Usage Cited in: Adv Funct Mater. 2022: 2204636.

    Customer Validation
     Representative confocal images of DC2.4 and RAW264.7 cells incubates with Cy5.5 labelled mOVA and mRLNPs for 6 h, showing cellular uptake and endo/lysosome escaping of mOVA. The endo/lysosomes are stained with LysoTracker Green (green).

  • Cy5.5