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Home/Compounds/Research Reagent/3H-Indolium, 2-[3-[1-(5-carboxypentyl)-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1-propenyl]-1-ethyl-3,3-dimethyl-5-sulfo-, inner salt
C31H38N2O8S2
630.8 g/mol
Research Reagent

Sulfo-Cyanine 3 Carboxylic Acid

CAS146368-13-0
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound

Sulfo-Cyanine 3 Carboxylic Acid is a sulfonated cyanine dye derivative used as a fluorescent dye research reagent. It features two indole rings connected by a conjugated bridge, with carboxylic acid and sulfonate groups that confer water solubility and enable bioconjugation.

Fluorescent labeling of biomoleculesResearch reagent in fluorescence imaging

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongStructure SimilarSimilarity 0.94

2-(7-(1-(5-Carboxypentyl)-3,3-dimethyl-5-sulfoindolin-2-ylidene)hepta-1,3,5-trien-1-yl)-1-ethyl-3,3-dimethyl-3H-indol-1-ium-5-sulfonate

CAS943298-08-6

fluorescent cyanine dye

StrongStructure SimilarSimilarity 0.94

2-[5-[1-(5-Carboxypentyl)-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-1-ethyl-3,3-dimethyl-5-sulfo-3H-indolium inner salt

CAS146368-11-8

Luminescent cyanine dye

SimilarStructure SimilarSimilarity 0.79

2-[3-[3,3-dimethyl-1-[6-oxo-6-(prop-2-ynylamino)hexyl]-5-sulfoindol-1-ium-2-yl]prop-2-enylidene]-1-ethyl-3,3-dimethylindole-5-sulfonate

CAS1010386-62-5

research compound

SimilarStructure SimilarSimilarity 0.78

3H-Indolium, 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]-1-ethyl-3,3-dimethyl-5-sulfo-, inner salt

CAS146368-16-3

fluorescent dye labeling reagent

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research compound

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(+/-)-tert-butylsulfinamide

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research compound

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Hexapeptide-10

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research compound

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Dichloro(1,2-bis(diphenylphosphino)ethane)nickel

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research compound

Identifiers
IUPAC Name

2-[3-[1-(5-carboxypentyl)-3,3-dimethyl-5-sulfoindol-1-ium-2-yl]prop-2-enylidene]-1-ethyl-3,3-dimethylindole-5-sulfonate

InChIKey

YDNYBBRGPORVRT-UHFFFAOYSA-N

SMILES

CCN1C2=C(C=C(C=C2)S(=O)(=O)[O-])C(C1=CC=CC3=[N+](C4=C(C3(C)C)C=C(C=C4)S(=O)(=O)O)CCCCCC(=O)O)(C)C

Synonyms (6)
  • Zy3 carboxylic acid

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