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Propidium MeSH Descriptor Data 2025


MeSH Heading
Propidium
Tree Number(s)
D03.633.300.633.700
Unique ID
D011419
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011419
Scope Note
Quaternary ammonium analog of ethidium; an intercalating dye with a specific affinity to certain forms of DNA and, used as diiodide, to separate them in density gradients; also forms fluorescent complexes with cholinesterase which it inhibits.
Entry Term(s)
Propidium Diiodide
Propidium Iodide
Pharm Action
Coloring Agents
Indicators and Reagents
Intercalating Agents
Related Numbers
25535-16-4
CAS Type 1 Name
Phenanthridinium, 3,8-diamino-5-(3-(diethylmethylammonio)propyl)-6-phenyl-
Previous Indexing
Ethidium (1974-1978)
Phenanthridines (1969-1978)
Public MeSH Note
91; was see under PHENANTHRIDINES 1979-90
History Note
91(79); was see under PHENANTHRIDINES 1979-90
Date Established
1991/01/01
Date of Entry
1978/02/08
Revision Date
2016/05/31
Propidium Preferred
Propidium Iodide Narrower
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