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Key Documents

E2028

Sigma-Aldrich

Ethidium bromide monoazide

≥95% purity (HPLC), solid

Synonym(s):

3-Amino-8-azido-5-ethyl-6-phenylphenanthridinium bromide, Ethidium monoazide bromide

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About This Item

Empirical Formula (Hill Notation):
C21H18BrN5
CAS Number:
Molecular Weight:
420.31
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

product name

Ethidium bromide monoazide, ≥95% (HPLC), solid

Quality Level

Assay

≥95% (HPLC)

form

solid

technique(s)

titration: suitable

color

orange

solubility

DMF: soluble
ethanol: soluble

ε (extinction coefficient)

≥5200 at 459-465 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

−20°C

SMILES string

[Br-].CC[n+]1c(-c2ccccc2)c3cc(ccc3c4ccc(N)cc14)N=[N+]=[N-]

InChI

1S/C21H17N5.BrH/c1-2-26-20-12-15(22)8-10-18(20)17-11-9-16(24-25-23)13-19(17)21(26)14-6-4-3-5-7-14;/h3-13,22H,2H2,1H3;1H

InChI key

GHUXAYLZEGLXDA-UHFFFAOYSA-N

Biochem/physiol Actions

Photoactive stain covalently binds to nucleic acids in solution and in cells with damaged membranes.
Used to footprint drug binding sites on DNA, detect non-viable cells, identify ethidium binding sites on DNA and tRNA, and selectively inactivate gene expression.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Campylobacter jejuni is an important foodborne gastrointestinal pathogen and highly sensitive to environmental stresses. Research has shown that changes in culturability, cell morphology, and viability occur when C. jejuni cells are subjected to stresses. In this study, real-time PCR, ethidium
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