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Substance Name: 6-Carboxyfluorescein
RN: 3301-79-9
InChIKey: BZTDTCNHAFUJOG-UHFFFAOYSA-N

Note

  • Originally sold as 6-carboxyfluorescein, but commercial product is a mixture of two isomers; correct name is 5(6)-carboxyfluorescein.

Classification Codes

  • Coloring Agents
  • Fluorescent Dyes
  • Indicators and Reagents
  • Luminescent Agents

Molecular Formula

  • C21-H12-O7

Molecular Weight

  • 376.3188
 
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Names and Synonyms

Name of Substance

  • 6-Carboxyfluorescein

Synonym

  • 6-Carboxyfluorescein

Systematic Names

  • 3',6'-Dihydroxy-3-oxospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-6-carboxylic acid
  • Spiro(isobenzofuran-1(3H),9'-(9H)xanthene)-6-carboxylic acid, 3',6'-dihydroxy-3-oxo-

Registry Numbers

CAS Registry Number

  • 3301-79-9

System Generated Number

  • 0003301799

Structure Descriptors

InChI

1S/C21H12O7/c22-11-2-5-14-17(8-11)27-18-9-12(23)3-6-15(18)21(14)16-7-10(19(24)25)1-4-13(16)20(26)28-21/h1-9,22-23H,(H,24,25)

InChIKey

BZTDTCNHAFUJOG-UHFFFAOYSA-N

Smiles

c1cc2c(cc1C(=O)O)C3(c4ccc(cc4Oc5c3ccc(c5)O)O)OC2=O