Indocyanine Green (~90%)

• CAT Number: R048884
• CAS Number: 3599-32-4
• Molecular Formula: C₄₃H₄₇N₂NaO₆S₂
• Molecular Weight: 774.96
• Purity: ≥95%
• Synonyms: 2-[7-[1,3-Dihydro-1,1-dimethyl-3-(4-sulfobutyl)-2H-benz[e]indol-2-ylidene]-1,3,5-heptatrien-1-yl]-1,1-dimethyl-3-(4-sulfobutyl)-1H-benz[e]indolium Inner Salt Sodium Salt; 4,5-Benzoindotricarbocyanine; Cardio Green; ICG; IR 125; Indocyanin Green; NK 2
• Storage: -20°C
• IUPAC Name: sodium;4-[(2E)-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
• InChI: InChI=1S/C43H48N2O6S2.Na/c1-42(2)38(44(28-14-16-30-52(46,47)48)36-26-24-32-18-10-12-20-34(32)40(36)42)22-8-6-5-7-9-23-39-43(3,4)41-35-21-13-11-19-33(35)25-27-37(41)45(39)29-15-17-31-53(49,50)51;/h5-13,18-27H,14-17,28-31H2,1-4H3,(H-,46,47,48,49,50,51);/q;+1/p-1
• InChIKey: MOFVSTNWEDAEEK-UHFFFAOYSA-M
• SMILES: CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)CCCCS(=O)(=O)[O-])C=CC=CC=CC=C4C(C5=C(N4CCCCS(=O)(=O)[O-])C=CC6=CC=CC=C65)(C)C)C.[Na+]

Indocyanine Green (CAS 3599-32-4), also known as Cardio-Green and Fox, is a tricarbocyanine dye that is used diagnostically in liver function tests and to determine blood volume and cardiac output.

Reference

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