Ethidium bromide

CAS Registry Number®

1239-45-8
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CAS Name

Ethidium bromide

Molecular Formula

C21H20N3.Br

Cite this Page

Ethidium bromide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=1239-45-8 (retrieved 2022-08-17) (CAS RN: 1239-45-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C21H19N3.BrH/c1-2-24-20-13-16(23)9-11-18(20)17-10-8-15(22)12-19(17)21(24)14-6-4-3-5-7-14;/h3-13,23H,2,22H2,1H3;1H

InChIKey

InChIKey=ZMMJGEGLRURXTF-UHFFFAOYSA-N

SMILES

C(C)[N+]=1C(=C2C(=C3C1C=C(N)C=C3)C=CC(N)=C2)C4=CC=CC=C4.[Br-]

Canonical SMILES

[Br-].NC=1C=CC=2C=3C=CC(N)=CC3[N+](=C(C=4C=CC=CC4)C2C1)CC

Other Names for this Substance

  • Phenanthridinium, 3,8-diamino-5-ethyl-6-phenyl-, bromide (1:1)
  • Phenanthridinium, 3,8-diamino-5-ethyl-6-phenyl-, bromide
  • 3,8-Diamino-5-ethyl-6-phenylphenanthridinium bromide
  • 2,7-Diamino-9-phenyl-10-ethylphenanthridinium bromide
  • 2,7-Diamino-9-phenylphenanthridine ethobromide

Deleted or Replaced CAS Registry Numbers

131089-24-2, 35322-47-5