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Substance Name: Red 21
RN: 152-75-0
InChIKey: AZXGXVQWEUFULR-UHFFFAOYSA-N

Molecular Formula

  • C20-H8-Br4-O5

Molecular Weight

  • 647.894
 
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Names and Synonyms

Results Name

  • Red 21

Synonyms

  • C.I. 45380:2
  • D & C Red No. 21
  • D+C Red N. 21
  • Fluorescein, 2',4',5',7'-tetrabromo-
  • Japan Red 223

Systematic Name

  • Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-

Registry Numbers

CAS Registry Number

  • 152-75-0

Other Registry Numbers

  • 1043892-09-6
  • 113601-31-3
  • 30495-79-5
  • 342043-92-9
  • 477-63-4
  • 859629-60-0

System Generated Number

  • 0000152750

Structure Descriptors

InChI

1S/C20H8Br4O5/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25/h1-6,25H,(H,27,28)

InChIKey

AZXGXVQWEUFULR-UHFFFAOYSA-N

Smiles

c12c(c(c3c(C(=O)O)cccc3)c3c(o2)c(c(c(Br)c3)O)Br)cc(Br)c(c1Br)=O