The chemical Droxidopa has a designated molecular formula of C9H11NO5 and a molecular weight of 213.189 g/mol. Synonyms may include: (-)-(2S,3R)-2-Amino-3-hydroxy-3-(3,4-dihydroxyphenyl)propionic acid, L-DOPS, Droxidopa [Latin], L-threo-3-(3,4-Dihydroxyphenyl)serine, threo-Dopaserine, L-Threodops, L-Tyrosine, beta,3-dihydroxy-, threo-, UNII-J7A92W69L7, DOPS, SM 5688 (ChemID).