S 2147 | λmax = 486 nm

Total formula: C25H27N2NaO8S2

Molecular weight: 570.61 g/mol

3-(4-Sulfobutyl)-2-[3-[3-(4-sulfobutyl)-3H-benzooxazol-2-ylidene]-propenyl]-benzooxazolium hydroxide, inner salt, sodium salt

Solvent: MeOH

Absorption maximum: 486 nm

Fluorescence maximum: 501 nm

Quantum yield: 0.08

S 0522 | λmax = 549 nm

Total formula: C31H39N2NaO6S2

Molecular weight: 622.77 g/mol

CAS #: 120724-84-7

2-[3-[3,3-Dimethyl-1-(4-sulfobutyl)-1,3-dihydro-indol-2-ylidene]-propenyl]-3,3-dimethyl-1-(4-sulfobutyl)-3H-indolium hydroxide, inner salt, sodium salt

Solvent: MeOH

Absorption maximum: 549 nm

Fluorescence maximum: 565 nm

Quantum yield: 0.07

S 2165 | λmax = 589 nm

Total formula: C39H43N2NaO6S2

Molecular weight: 722.89 g/mol

CAS #: 1438644-82-6

2-[3-[1,1-Dimethyl-3-(4-sulfobutyl)-1,3-dihydro-benzo[e]indol-2-ylidene]-propenyl]-1,1-dimethyl-3-(4-sulfobutyl)-1H-benzo[e]indolium hydroxide, inner salt, sodium salt

Solvent: MeOH

Absorption maximum: 589 nm

Fluorescence maximum: 607 nm

Quantum yield: 0.15

S 0523 | λmax = 643 nm

Total formula: C33H41N2NaO6S2

Molecular weight: 648.81 g/mol

CAS #: 120768-44-7

2-[5-[3,3-Dimethyl-1-(4-sulfobutyl)-1,3-dihydro-indol-2-ylidene]-penta-1,3-dienyl]-3,3-dimethyl-1-(4-sulfobutyl)-3H-indolium hydroxide, inner salt, sodium salt

Solvent: MeOH

Absorption maximum: 643 nm

Fluorescence maximum: 666 nm

Quantum yield: 0.28

S 0524 | λmax = 681 nm

Total formula: C41H45N2NaO6S2

Molecular weight: 748.93 g/mol

CAS #: 64285-36-5

2-[5-[1,1-Dimethyl-3-(4-sulfobutyl)-1,3-dihydro-benzo[e]indol-2-ylidene]-penta-1,3-dienyl]-1,1-dimethyl-3-(4-sulfobutyl)-1H-benzo[e]indolium hydroxide, inner salt, sodium salt

Solvent: MeOH

Absorption maximum: 681 nm

Fluorescence maximum: 705 nm

Quantum yield: 0.19

S 0316 | λmax = 747 nm

Total formula: C35H43N2NaO6S2

Molecular weight: 674.85 g/mol

CAS #: 120724-85-8

2-[7-[1,3-Dihydro-3,3-dimethyl-1-(4-sulfobutyl)-2H-indol-2-ylidene]-hepta-1,3,5-trienyl]-3,3-dimethyl-1-(4-sulfobutyl)-3H-indolium hydroxide, inner salt, sodium salt

Solvent: MeOH

Absorption maximum: 747 nm

Fluorescence maximum: 775 nm

Quantum yield: 0.27

S 2146 | λmax = 768 nm

Total formula: C44H49N2Na3O12S4

Molecular weight: 995.09 g/mol

CAS #: 897625-36-4

2-[2-(3-[2-[3,3-Dimethyl-5-sulfo-1-(4-sulfobutyl)-1,3-dihydro-indol-2-ylidene]-ethylidene]-2-phenyl-cyclohex-1-enyl)-vinyl]-3,3-dimethyl-5-sulfo-1-(4-sulfobutyl)-3H-indolium hydroxide, inner salt, trisodium salt

Solvent: MeOH

Absorption maximum: 768 nm

Fluorescence maximum: 786 nm

Quantum yield: 0.19

S 0456 | λmax = 789 nm

Total formula: C38H44ClN2Na3O12S4

Molecular weight: 953.44 g/mol

CAS #: 1252007-83-2

3,3-Dimethyl-2-[2-[2-chloro-3-[2-[1,3-dihydro-3,3-dimethyl-5-sulfo-1-(4-sulfobutyl)-2H-indol-2-ylidene]-ethylidene]-1-cyclohexen-1-yl]-ethenyl]-5-sulfo-1-(4-sulfobutyl)-3H-indolium hydroxide, innersalt, trisodium salt

Solvent: MeOH

Absorption maximum: 789 nm

Fluorescence maximum: 807 nm

Quantum yield: 0.11