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Substance Name: Erythrosine, phenolic
RN: 15905-32-5
UNII: 1A878FZQ9B
InChIKey: OALHHIHQOFIMEF-UHFFFAOYSA-N

Note

  • A family of spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one derivatives. These are used as dyes, as indicators for various metals, and as fluorescent labels in immunoassays.

Molecular Formula

  • C20-H8-I4-O5

Molecular Weight

  • 835.878
 

Classification Codes

  • Coloring Agents
  • Drug / Therapeutic Agent
  • Fluorescent Dyes
  • Indicators and Reagents
  • Luminescent Agents
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Names and Synonyms

Name of Substance

  • Erythrosine, phenolic

MeSH Heading

  • Fluoresceins

Synonyms

  • 2',4',5',7'-Tetraiodofluorescein
  • 2,4,5,7-Erythrosin
  • 4-19-00-02923 (Beilstein Handbook Reference)
  • BRN 0062817
  • EINECS 240-046-0
  • Erythrosine acid
  • Iodeosin
  • NSC 328781
  • Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-
  • Tetraiodofluorescein
  • UNII-1A878FZQ9B

Systematic Names

  • 3',6'-Dihydroxy-2',4',5',7'-tetraiodospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one
  • Fluorescein, 2',4',5',7'-tetraiodo-
  • Fluorescein, 2',4',5',7'-tetraiodo- (VAN) (8CI)
  • Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-

Superlist Name

  • 2',4',5',7'-Tetraiodofluorescein

Registry Numbers

CAS Registry Number

  • 15905-32-5

FDA UNII

  • 1A878FZQ9B

Other Registry Numbers

  • 10557-31-0
  • 19052-68-7
  • 30495-83-1
  • 518-39-8
  • 66771-70-8
  • 748740-60-5
  • 76823-15-9
  • 83412-54-8
  • 875516-06-6

Related Registry Number

  • 16423-68-0 (Parent)

System Generated Number

  • 0015905325

Structure Descriptors

InChI

1S/C20H8I4O5/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20/h1-6,25-26H

InChIKey

OALHHIHQOFIMEF-UHFFFAOYSA-N

Smiles

C12(c3c(Oc4c1cc(I)c(c4I)O)c(c(O)c(c3)I)I)c1c(cccc1)C(O2)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 4gm/kg (4000mg/kg)   Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 43, Pg. 495, 1954.