C27H34I2N4
668.4 g/mol
Research ReagentWarning
Propidium iodide
CAS25535-16-4EC247-081-0
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
Propidium iodide is a fluorescent intercalating dye commonly used in laboratory research to stain nucleic acids. It binds to DNA by intercalating between the bases with little sequence preference and exhibits red fluorescence upon excitation.
fluorescent staining of nucleic acids in cellsDNA intercalation for fluorescence-based assays
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Referencesame scaffold
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects
Identifiers
IUPAC Name
3-(3,8-diamino-6-phenylphenanthridin-5-ium-5-yl)propyl-diethyl-methylazanium diiodide
InChIKey
XJMOSONTPMZWPB-UHFFFAOYSA-M
SMILES
CC[N+](C)(CC)CCC[N+]1=C2C=C(C=CC2=C3C=CC(=CC3=C1C4=CC=CC=C4)N)N.[I-].[I-]
Synonyms (18)
- Diiodide, Propidium
- Iodide, Propidium
- Propidium diiodide
- Propidium iodide (PI)
- propidium iodide
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