Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Ruthenium Red MeSH Descriptor Data 2025


MeSH Heading
Ruthenium Red
Tree Number(s)
D01.210.837
D01.625.800
D01.765.765
Unique ID
D012430
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D012430
Scope Note
An inorganic dye used in microscopy for differential staining and as a diagnostic reagent. In research this compound is used to study changes in cytoplasmic concentrations of calcium. Ruthenium red inhibits calcium transport through membrane channels.
Entry Term(s)
Ammoniated Ruthenium Oxychloride
Pharm Action
Coloring Agents
Indicators and Reagents
Registry Numbers
11103-72-3
CAS Type 1 Name
Ruthenium red
Previous Indexing
Ruthenium (1972-1974)
Public MeSH Note
91; was see under RUTHENIUM 1975-90
History Note
91(75); was see under RUTHENIUM 1975-90
Date Established
1991/01/01
Date of Entry
1974/11/19
Revision Date
2005/07/06
Ruthenium Red Preferred
page delivered in 0.146s