protoactinium

[A physician's assistant or, in anatomy, pa stands for posteroanterior: from back-to-front. See: pa X-ray.

[1. Abbreviation for physician assistant; posteroanterior; pulmonary artery.

Molecular Formula: Pa

InChI: InChI=1/Pa

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

CAS number 7440-13-3

Names:
    brevium
    PA
    Pa
    protactinium
    protoactinium
    91Pa

Registries:
    PubChem CID 23945
    CAS 7440-13-3 (from NIST)
    ChEBI 33386
    PubChem ID 10534504
    WebElements Pa