The chemical L-Ornithine has a designated molecular formula of C5H12N2O2 and a molecular weight of 132.163 g/mol. Synonyms may include: Ornithine, 4-04-00-02644 (Beilstein Handbook Reference), BRN 1722298, (S)-2,5-Diaminopentanoic acid, (S)-alpha,delta-Diaminovaleric acid, EINECS 200-731-7, L-Norvaline, 5-amino-, L(-)-(S)-Ornithinum [Latin], Ornitina [Spanish] (ChemID).