CAS Registry Number®
2321-07-5
CAS Name
Fluorescein
Molecular Formula
C20H12O5
Molecular Mass
332.31
Compound Properties
-
Melting Point (1)
315 °C (decomp)
Source(s)
- (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)
Other Names and Identifiers
InChI
InChI=1S/C20H12O5/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20/h1-10,21-22H
InChIKey
InChIKey=GNBHRKFJIUUOQI-UHFFFAOYSA-N
SMILES
O=C1OC2(C=3C1=CC=CC3)C=4C(OC=5C2=CC=C(O)C5)=CC(O)=CC4
Canonical SMILES
O=C1OC2(C3=CC=C(O)C=C3OC4=CC(O)=CC=C42)C=5C=CC=CC15
Other Names for this Substance
- Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 3′,6′-dihydroxy-
- Fluorescein
- 3′,6′-Dihydroxyspiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one
- Resorcinolphthalein
- 3′,6′-Fluorandiol
- 3,6-Dihydroxyspiro[xanthene-9,3′-phthalide]
- Fluorescein acid
- D and C Yellow No. 7
- 3′,6′-Dihydroxyfluoran
- 9-(o-Carboxyphenyl)-6-hydroxy-3-isoxanthenone
- Benzoic acid, 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)-
- C.I. 45350:1
- Japan Yellow 201
- Japan Yellow No. 201
- Yellow fluorescein
- C.I. Solvent Yellow 94
- Solvent Yellow 94
- D&C Yellow No. 7
- NSC 667256
- D&C Yellow 7
- Yellow No. 201
- 3′,6′-Dihydroxyspiro[2-benzofuran-3,9′-xanthene]-1-one
- F 0095
Deleted or Replaced CAS Registry Numbers
126605-73-0, 213880-86-5, 770677-61-7, 518-46-7