C43H47N2NaO6S2
775 g/mol
Dye & PigmentWarning
Indocyanine green
CAS3599-32-4EC222-751-5
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
Diagnostic imaging agent
Indocyanine green (ICG) is a cyanine dye used as a diagnostic imaging agent in medical procedures. It is employed for assessing cardiac output, hepatic function, and blood flow in the liver, stomach, and eyes, as well as for angiography.
Determination of cardiac outputEvaluation of hepatic function and liver blood flowOphthalmic and cerebral angiography
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
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Direct green 1
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Direct dye for cellulose fibers
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Direct dye for textiles
ReferenceSame Category
3-diethylamino-6-methyl-7-(2,4-xylidino)fluoran
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fluoran dye for thermal paper
ReferenceSame Category
5,5′-(1H-Isoindole-1,3(2H)-diylidene)di(2,4,6(1H,3H,5H)-pyrimidinetrione)
CAS36888-99-0
Pigment for plastics and coatings
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Indocyanine green (CAS 3599-32-4) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
sodium 4-[(2Z)-2-[(2E,4E,6E)-7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethylbenzo[e]indol-3-yl]butane-1-sulfonate
InChIKey
MOFVSTNWEDAEEK-UHFFFAOYSA-M
SMILES
CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)CCCCS(=O)(=O)[O-])/C=C/C=C/C=C/C=C\4/C(C5=C(N4CCCCS(=O)(=O)[O-])C=CC6=CC=CC=C65)(C)C)C.[Na+]
Synonyms (38)
- ICG
- Indocyanine green (JP19/USP)
- Cardiogreen
- Fox Green
- Green, Indocyanine
- HWD Indocyanine Green
- IC-Green
- IC-Green (TN)
- Indocyanine Green and Water
- PINPOINT Lymphatics Kit
- SPY AGENT GREEN KIT
- SPY Elite Kit
- SPY Lymphatics Kit
- SPY-MIS Kit
- SPY-PHI Kit
- Sindocyanine green
- Spy agent green
- Sucrose, crude (cane sugar)
- Ujoveridin
- Ujovirdin
- Ujoviridin
- Verde de indocianina
- Vofaverdin
- Vophaverdin
- Wofaverdin
- indocyanine green
- verde indocianina
- vert d'indocyanine
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