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CAS 146397-20-8

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Cy 3

Description:
Cy 3, also known as Cy3, is a fluorescent dye commonly used in biological and biochemical applications, particularly in labeling and imaging techniques. It belongs to the cyanine dye family and is characterized by its bright orange-red fluorescence when excited by specific wavelengths of light. Cy3 is often utilized in applications such as fluorescence microscopy, flow cytometry, and microarray analysis due to its high quantum yield and photostability. The dye is soluble in organic solvents and water, making it versatile for various experimental conditions. Its chemical structure typically includes a polymethine chain, which contributes to its optical properties. Cy3 is frequently conjugated to biomolecules, such as proteins or nucleic acids, allowing for the visualization of cellular processes and interactions. Safety considerations should be taken into account when handling Cy3, as with many chemical substances, to minimize exposure and environmental impact. Overall, Cy3 is a valuable tool in the field of molecular biology and biochemistry for studying complex biological systems.
Formula:C43H50N4O14S2
InChI:InChI=1S/C43H50N4O14S2/c1-42(2)30-26-28(62(54,55)56)16-18-32(30)44(24-9-5-7-14-40(52)60-46-36(48)20-21-37(46)49)34(42)12-11-13-35-43(3,4)31-27-29(63(57,58)59)17-19-33(31)45(35)25-10-6-8-15-41(53)61-47-38(50)22-23-39(47)51/h11-13,16-19,26-27H,5-10,14-15,20-25H2,1-4H3,(H-,54,55,56,57,58,59)
InChI key:InChIKey=OHOQEZWSNFNUSY-UHFFFAOYSA-N
SMILES:C(CCCCC(ON1C(=O)CCC1=O)=O)N2C=3C(C(C)(C)C2=CC=CC4=[N+](CCCCCC(ON5C(=O)CCC5=O)=O)C=6C(C4(C)C)=CC(S(=O)(=O)[O-])=CC6)=CC(S(=O)(=O)O)=CC3
Synonyms:
  • 3H-Indolium, 1-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-2-[3-[1-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1-propen-1-yl]-3,3-dimethyl-5-sulfo-, inner salt
  • Cy 3
  • 3H-Indolium, 1-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-2-[3-[1-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1-propenyl]-3,3-dimethyl-5-sulfo-, inner salt
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