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Substance Name: Indigotindisulfonate
RN: 483-20-5
UNII: X7OI7JF73P
InChIKey: CFZXDJWFRVEWSR-BUHFOSPRSA-N

Note

  • Indolesulfonic acid used as a dye in renal function testing for the detection of nitrates and chlorates, and in the testing of milk.

Molecular Formula

  • C16-H10-N2-O8-S2

Molecular Weight

  • 422.393
 
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Names and Synonyms

Results Name

  • Indigotindisulfonate

Name of Substance

  • 5,5'-Indigotindisulfonic acid
  • Indigocarmine [JAN]

Synonyms

  • Blue X
  • EINECS 207-593-7
  • Indigocarmine
  • Indigotindisulfonate
  • Indigotindisulfonic acid
  • Saxon blue
  • UNII-X7OI7JF73P

Systematic Name

  • 2-(1,3-Dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid

Registry Numbers

CAS Registry Number

  • 483-20-5

FDA UNII

  • X7OI7JF73P

Other Registry Numbers

  • 51019-70-6
  • 879716-17-3
  • 902797-83-5

System Generated Number

  • 0000483205

Structure Descriptors

InChI

InChI=1S/C16H10N2O8S2/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)/b14-13+

InChIKey

CFZXDJWFRVEWSR-BUHFOSPRSA-N

Smiles

OS(=O)(=O)c1ccc2N\C(=C/3\Nc4ccc(cc4C3=O)S(=O)(=O)O)\C(=O)c2c1