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Chemical structure of CY5

GC35769

CY5

Also known as (2E)-2-[(2E,4E)-5-[1-(5-carboxypentyl)-3,3-dimethyl-5-sulfoindol-1-ium-2-yl]penta-2,4-dienylidene]-1-ethyl-3,3-dimethylindole-5-sulfonate

CY5 is a cyanine-containing fluorescent dye that is commonly used to label proteins, antibodies, and small molecule compounds· Its maximum excitation/emission wavelengths are 650/670nm, respectively

ChemicalCAS146368-11-8MW656.81FormulaC33H40N2O8S2
CAS number
146368-11-8
Molecular weight
656.81
Formula
C33H40N2O8S2
Solubility
Water： 25 mg/mL (38·06 mM)
InChIKey
HPICMEGAGMPYID-UHFFFAOYSA-N
Catalogue number
GC35769
Brand
GLPBIO
Computed properties PubChem CID 17758493 · XLogP 4.6 · TPSA 172 Ų · H-bond donors 2
XLogP
4.6
TPSA
172 Ų
H-bond donors
2
H-bond acceptors
9
Rotatable bonds
11
Heavy atoms
45

SMILES CCN\1C2=C(C=C(C=C2)S(=O)(=O)[O-])C(/C1=C\C=C\C=C\C3=[N+](C4=C(C3(C)C)C=C(C=C4)S(=O)(=O)O)CCCCCC(=O)O)(C)C

Computed descriptors from PubChem (CID 17758493), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

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