6-Carboxyfluorescein

CAS Registry Number®

3301-79-9

CAS Name

6-Carboxyfluorescein

Molecular Formula

C21H12O7

Molecular Mass

376.32

Cite this Page

6-Carboxyfluorescein.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3301-79-9 (retrieved 2024-11-22) (CAS RN: 3301-79-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    >360 °C

Source(s)

Other Names and Identifiers

InChI

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

InChIKey=BZTDTCNHAFUJOG-UHFFFAOYSA-N

SMILES

O=C1OC2(C=3C1=CC=C(C(O)=O)C3)C=4C(OC=5C2=CC=C(O)C5)=CC(O)=CC4

Canonical SMILES

O=C(O)C1=CC=C2C(=O)OC3(C4=CC=C(O)C=C4OC5=CC(O)=CC=C53)C2=C1

Other Names for this Substance

  • Spiro[isobenzofuran-1(3H),9′-[9H]xanthene]-6-carboxylic acid, 3′,6′-dihydroxy-3-oxo-
  • Spiro[phthalan-1,9′-xanthene]-6-carboxylic acid, 3′,6′-dihydroxy-3-oxo-
  • Terephthalic acid, (3,6,9-trihydroxyxanthen-9-yl)-, γ-lactone
  • 3′,6′-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthene]-6-carboxylic acid
  • Fluorescein, 6-carboxy-

View All

CAS INSIGHTSTM
Targeted protein degrader structure, illustration