Sulfo-Cyanine3 NHS ester

Also known as: Cyanine 3, SE, Cy3 NHS ester, Cy3-SE, 2-[(1E,3Z)-3-(1-{6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl}-3,3-dimethyl-5-sulfo-1,3-dihydro-2H-indol-2-ylidene)-1-propen-1-yl]-1-ethyl-3,3-dimethyl-3H-indolium-5-sulfonate inner salt, 3H-Indolium, 2-[(1E,3Z)-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

Sulfo-Cyanine3 NHS ester (CAS 146368-16-3) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C35H41N3O10S2 and a molecular weight of 727.844 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

146368-16-3

Jingsj CID

J-1956172-1

Molecular Formula

C₃₅H₄₁N₃O₁₀S₂

Molecular Weight

727.844 g/mol

Category

Esters

Last updated

8/21/2026