Indocyanine green ≥95% (by titrimetric analysis)

Synonyms: IR-125, 4,5-benzoindotricarbocyanine, IC Green, Cardiogreen, Sodium 4-(2-(7-(1,1-dimethyl-3-(4-sulphonatobutyl)-1H-benzo[e]indol-2(3H)-ylidene)hepta-1,3,5-trien-1-yl)-1,1-dimethyl-1H-benzo[e]indol-3-ium-3-yl)butane-1-sulphonate, Foxgreen, Sodium 4-(2-(7-(1,1-dimethyl-3-(4-sulfonatobutyl)-1H-benzo[e]indol-2(3H)-ylidene)hepta-1,3,5-trien-1-yl)-1,1-dimethyl-1H-benzo[e]indol-3-ium-3-yl)butane-1-sulfonate

22890-1G 22890-250MG

CH22890-1GEA 882.11 CAD

CH22890-1G CH22890-250MG

Indocyanine green ≥95% (by titrimetric analysis)

Indocyanine green

Appearance: Dark green to brown crystalline powder

Formula: C₄₃H₄₇N₂NaO₆S₂
MW: 774.99
Storage Temperature: Refrigerator

MDL Number: MFCD00013078
CAS Number: 3599-32-4

Specification Test Results

Appearance	Dark Green to Brown Crystalline Powder
Cation, Arsenic (As)	≤8 ppm
Cation, Lead (Pb)	≤0.001%
Infrared Spectrum	Conforms to Structure
Loss on Drying	≤6%
Assay by Titration	≥95%
Sodium Iodide	≤5%
Absorption λmax	779 ± 3 nm in Water

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