C37H43N3O10S2
753.9 g/mol
Research ReagentDanger
Cy5 NHS Ester
CAS146368-14-1
Category
Research Reagent
Compound Class
Ester
Primary Use
Research Compound
Cy5 NHS Ester is a fluorescent labeling reagent used in research applications. It consists of a Cy5 fluorophore linked to an N-hydroxysuccinimide (NHS) ester reactive group, which allows covalent attachment to primary amines on proteins or other biomolecules.
fluorescent labeling of biomoleculesresearch reagent for imaging studies
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 1.00
3H-Indolium, 2-[7-[1-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1,3,5-heptatrienyl]-1-ethyl-3,3-dimethyl-5-sulfo-, inner salt
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research compound
StrongStructure SimilarSimilarity 0.95
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
SimilarStructure SimilarSimilarity 0.78
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
SimilarStructure SimilarSimilarity 0.78
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
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ReferenceSame Category
(+/-)-tert-butylsulfinamide
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research compound
Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H317May cause an allergic skin reaction
H332Harmful if inhaled
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Identifiers
IUPAC Name
2-[5-[1-[6-(2,5-dioxopyrrolidin-1-yl)oxy-6-oxohexyl]-3,3-dimethyl-5-sulfoindol-1-ium-2-yl]penta-2,4-dienylidene]-1-ethyl-3,3-dimethylindole-5-sulfonate
InChIKey
WXWLHDCCGVWTDZ-UHFFFAOYSA-N
SMILES
CCN1C2=C(C=C(C=C2)S(=O)(=O)[O-])C(C1=CC=CC=CC3=[N+](C4=C(C3(C)C)C=C(C=C4)S(=O)(=O)O)CCCCCC(=O)ON5C(=O)CCC5=O)(C)C
Synonyms (10)
- Cy5 NHS Ester
- Cyanine 5, SE
- Indocyanine Green Impurity 71
- Sulfo-Cyanine5, SE (ethyl)
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