protactinium

[1. A radioactive element, atomic no. 91, atomic wt. 231.03588, formed in the decay of uranium and thorium; its most long-lived isotope, 231Pa, has a half-life of 32,500 years.

Molecular Formula: Pa

InChI: InChI=1/Pa/i1+0

InChIKey: InChIKey=XLROVYAPLOFLNU-IGMARMGPEC
SMILES: [Pa]

Names:
    protactinium

Registries:
    PubChem CID 105147
    PubChem ID 10233783