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CAS 860-22-0: Indigo carmine

Formula:C16H10N2O8S2·2Na
InChI:InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;
InChI key:InChIKey=BBHXOPLQIHJZNV-UHFFFAOYSA-N
SMILES:O=C1C(NC=2C1=CC(S(=O)(=O)O)=CC2)=C3C(=O)C=4C(N3)=CC=C(S(=O)(=O)O)C4.[Na]
Synonyms:
  • Dinatrium-5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-yliden)-1,2-dihydro-3H-indol-3-on)disulfonat
  • Indigotin
  • Indigotine
  • C.I. Food Blue 1
  • 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt
  • C.I. Acid Blue 74
  • C.I. Acid Blue 74
  • disodium 5,5-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate
  • 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, sodium salt (1:2)
  • disodium 5,5-indigodisulphonate
  • 1H-indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt, (2E)-
  • See more synonyms
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products per page.Found 23 products.
  • Indigo Carmine

    CAS:
    Formula:C16H8N2O8S2·2Na
    Molecular weight:420.38 2*22.99

    Ref: 4Z-I-073001

    5mg
    309.00€
    10mg
    496.00€
    25mg
    709.00€
    50mg
    881.00€
    100mg
    1,288.00€
  • Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate

    CAS:
    Formula:C16H8N2Na2O8S2
    Purity:85%
    Color and Shape:Solid
    Molecular weight:466.3529

    Ref: IN-DA0039KR

    5g
    26.00€
    25g
    30.00€
    100g
    50.00€
    500g
    126.00€
  • Indigo Carmine

    CAS:
    Formula:C16H8N2Na2O8S2
    Purity:>95.0%(E)
    Color and Shape:Dark red to Dark purple to Dark blue powder to crystal
    Molecular weight:466.35

    Ref: 3B-I0214

    25g
    40.00€
  • Indigo Carmine

    CAS:
    Formula:C16H8N2O8S2(Na)
    Molecular weight:420.4 : 2(23.0)

    Ref: ST-EA-CP-I43001

    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Indigotine

    CAS:
    Formula:C16H8N2O8S2·2Na

    Ref: TR-DRE-C14289000

    250mg
    80.00€
  • Indigo carmine

    CAS:
    Formula:C16H8N2Na2O8S2
    Molecular weight:466.35

    Ref: 23-131164

    25g
    To inquire
  • Indigo carmine

    CAS:
    Indigo carmine (NSC-8646) is an indolesulfonic acid. It is used as a dye in renal function testing for the detection of nitrates and chlorates.
    Formula:C16H8N2Na2O8S2
    Purity:98.72%
    Color and Shape:Dark Blue-Violet Powder Having Metallic Luster Of Copper Solid Powder
    Molecular weight:466.35

    Ref: TM-T19755

    500mg
    48.00€
  • Indigo carmine

    CAS:
    Indigo carmine
    Purity:≥98%
    Molecular weight:466.35g/mol

    Ref: 54-BUP18766

    500mg
    66.00€
  • Indigo Carmine, High Purity Biological Stain

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Formula:C16H8N2Na2O8S2
    Color and Shape:Dark blue to purple, Powder
    Molecular weight:466.35

    Ref: AC-15744

    25g
    Discontinued
    100g
    Discontinued
    500g
    Discontinued
    Discontinued product
  • Indigo Carmine extrapure AR

    CAS:
    Formula:C16H8N2Na2O8S2
    Color and Shape:Deep blue, Powder/granules
    Molecular weight:466.35

    Ref: SR-46486

    25g
    26.00€
    100g
    28.00€
    500g
    60.00€
  • Food Blue No.2 RS

    CAS:
    Color and Shape:Solid Powder Or Grains

    Ref: 2K-5003000021

    100mg
    To inquire
  • Indigo Carmine

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Formula:C16H8N2Na2O8S2
    Color and Shape:Crystalline powder, Dark blue to purple
    Molecular weight:466.35

    Ref: AC-41230

    25g
    Discontinued
    100g
    Discontinued
    Discontinued product
  • Indigo Carmine

    CAS:
    Indigo Carmine
    Purity:85%
    Molecular weight:466.35g/mol

    Ref: 54-OR1013565

    5g
    32.00€
    25g
    42.00€
    100g
    85.00€
    10kg
    1,155.00€
    500g
    230.00€
    2.5kg
    342.00€
  • Indigo Carmine

    Controlled Product
    CAS:
    Stability Light Sensitive Applications Indigo carmine is a dye consisting of an indigo dimer with sodium salts of sulfonic acids at positions 5 and 5'. This compound has been used as a tissue stain, pH indicator, and tool for the determination of hypochlorite in solutions. References 1. Reinle, G.G. and Depuy, E.S. 1920. Cal State J Med. 18: 49-52. PMID: 187381042. Monson, F.C., et al. 1991. J. Urol. 145: 842-845. PMID: 20057163. Harriram, A., et al. 2003. J Environ Sci Health A Tox Hazard Subst Environ Eng. 3: 1055-1064. PMID: 127749084. Archer, T.L. 2009. J Clin Anesth. 21: 544-546. PMID: 200062695. Lee, B.E., et al. 2010. BMC Gastroenterol. 10 97. PMID: 207318306. Park, H.J., et al. 2010. J Clin Ultrasound. 38: 305-308. PMID: 20544866
    Formula:C16H8N2O8S2·2Na
    Color and Shape:Dark Blue
    Molecular weight:466.35

    Ref: TR-I521353

    5g
    132.00€
    10g
    191.00€
    25g
    316.00€
  • Indigotindisulfonate Sodium

    CAS:
    Acid dyes, whether or not premetallized, and preparations based thereon; mordant dyes & preparations based thereon
    Formula:C16H8N2Na2O8S2
    Color and Shape:Dark Blue Violet Solid
    Molecular weight:465.95175

    Ref: 45-1339000

    750mg
    478.00€
  • Indigo carmine

    CAS:
    Useful in the staining of Negri bodiesIndigo carmine is used as a food colorant, pH indicator and dissolved ozone indicator. It is used to detect amino fluid leaks, highlight portions of the urinary tract, tissue stains and tool for the determination of hypochlorite. As a dye in renal function, it is used in testing and detection of nitrates and chlorates, and in the testing of milk. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Formula:C16H8N2Na2O8S2
    Color and Shape:Dark blue or dark purple to black, Powder or crystalline powder
    Molecular weight:466.35

    Ref: 02-A16052

    25g
    31.00€
    100g
    83.00€
  • Food Blue No. 2

    CAS:
    Formula:C16H8N2Na2O8S2
    Color and Shape:Deep Blue - Deep Purple Solid
    Molecular weight:466.35

    Ref: 3B-F0148

    25g
    83.00€
  • Indigotine

    CAS:
    Formula:C16H8N2O8S2Na
    Color and Shape:Neat
    Molecular weight:466.35

    Ref: 04-C14289000

    250mg
    74.00€
  • Indigotine 100 µg/mL in Acetonitrile:Water

    Controlled Product
    CAS:
    Formula:C16H8N2O8S2Na
    Color and Shape:Single Solution
    Molecular weight:466.35

    Ref: 04-A14289000WL-100

    1ml
    52.00€
  • 5,5’-Indigodisulfonic Acid Disodium Salt (Technical Grade)

    CAS:
    Stability Hygroscopic Applications 5,5’-Indigodisulfonic Acid Disodium Salt is a food additive that is widely used in the market. 5,5’-Indigodisulfonic Acid Disodium Salt was also used as a dye for cationic cotton fabrics. Dyes and metabolites, Environmental Testing. References Ma, Y.D., et al.: J. Agric. Chem., 60, 10867 (2012); Sarikaya, R., et al.: Chemosphere, 8, 974 (2012); Zhang, W., et al.: Yinran., 37, 25 (2011);
    Formula:C16H8N2O8S2·2Na
    Purity:85%
    Color and Shape:Neat
    Molecular weight:466.35

    Ref: TR-I521300

    25g
    103.00€