Chemicals and Drugs

Fluorescein

A phthalic indicator dye that appears yellow-green in normal tear film and bright green in a more alkaline medium such as the aqueous humor.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A phthalic indicator dye that appears yellow-green in normal tear film and bright green in a more alkaline medium such as the aqueous humor.

Chemical Identity

Chemical Information

Molecular Formula
C20H12O5
Molecular Weight
332.3 g/mol
CAS Registry No.
2321-07-5
IUPAC Name
3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChIKey
GNBHRKFJIUUOQI-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
MeSH Unique ID
D019793
Source
PubChem CID 16850

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

37 entry terms
  • C.I. 45350
  • Colircusi Fluoresceina
  • D & C Yellow No. 7
  • D & C Yellow No. 8
  • D and C Yellow No. 7
  • D and C Yellow No. 8
  • D&C Yellow No. 7
  • D&C Yellow No. 8
  • Diofluor
  • Disodium Fluorescein
  • Fluor-I-Strip A.T.
  • Fluorescein Dipotassium Salt
  • Fluorescein Disodium Salt
  • Fluorescein Monosodium Salt
  • Fluorescein Sodium
  • Fluorescite
  • Fluorescéine sodique Faure
  • Fluorets
  • Ful-Glo
  • Funduscein
  • Minims Fluorescein Sodium
  • Minims Fluoresceine
  • Minims Stains
  • Optifluor Diba
  • Sodium Fluorescein
  • Uranine
  • Dipotassium Salt, Fluorescein
  • Disodium Salt, Fluorescein
  • Fluor I Strip A.T.
  • Fluorescein Sodium, Minims
  • Fluorescein, Disodium
  • Fluorescein, Sodium
  • Fluoresceina, Colircusi
  • Fluoresceine, Minims
  • Ful Glo
  • Monosodium Salt, Fluorescein
  • Sodium, Fluorescein

MeSH Record

Aspects Covered

18 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, chemical synthesis, chemistry, classification, economics, history, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity.

MeSH Record

History Note

98; see FLUORESCEIN (NM) 1981-97

MeSH Record

Previous Indexing

  • Fluoresceins (1969-1997)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Fluorescein. Medical Subject Headings (MeSH). 2026. Unique ID D019793. http://id.nlm.nih.gov/mesh/2026/D019793
  2. Fluorescein. In: Wikipedia. https://en.wikipedia.org/wiki/Fluorescein
  3. Fluorescein. In: Wikidata. https://www.wikidata.org/wiki/Q410922
  4. Fluorescein. In: PubChem Compound. CID 16850. https://pubchem.ncbi.nlm.nih.gov/compound/16850