5-Carboxyfluorescein

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Properties Simple | Detailed

Formula C21H12O7
IUPAC Name 3',6'-dihydroxy-3-oxo-spiro[isobenzofuran-1,9'-xanthene]-5-carboxylic acid
Molecular Mass 376.316 g·mol−1
Heat of Formation -877.3 ± 16.7 kJ·mol−1
Dipole Moment 3.28 ± 1.08 D
Volume 394.89 Å 3
Surface Area 345.06 Å 2
HOMO Energy -9.42 ± 0.55 eV
LUMO Energy -1.35 ± eV
Point Group Symmetry C1
Synonyms
  • 3',6'-dihydroxy-3-keto-spiro[isobenzofuran-1,9'-xanthene]-5-carboxylic acid
  • 3',6'-dihydroxy-3-oxo-5-spiro[isobenzofuran-1,9'-xanthene]carboxylic acid
  • 3',6'-dihydroxy-3-oxo-spiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
  • 3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
  • 4(5)-carboxyfluorescein
  • 4-carboxyfluorescein
  • spiro(isobenzofuran-1(3h),9'-(9h)xanthene)-5-carboxylic acid, 3',6-dihydroxy-3-oxo-
CAS Number(s)
  • 76823-03-5
InChIKey NJYVEMPWNAYQQN-UHFFFAOYSA-N
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