Pharmaceutical Reference Standards / Impurity Standards

Droxidopa
Droxidopa Impurity 1
Droxidopa Impurity 18
Droxidopa Amine
Droxidopa Impurity 10
Droxidopa Racemic Standard
Droxidopa Erythro Isomer
Droxidopa Impurity 22
(Z)-3-(benzo[d][1,3]dioxol-5-yl)-2-(1,3-dioxoisoindolin-2-yl)acrylic acid
(Z)-2-(2-(benzo[d][1,3]dioxol-5-yl)vinyl)isoindoline-1,3-dione
(Z)-3-(3,4-dihydroxyphenyl)-2-(1,3-dioxoisoindolin-2-yl)acrylic acid
(Z)-2-(3,4-dihydroxystyryl)isoindoline-1,3-dione
Droxidopa Impurity 6
(2R,3R)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid
2,3,8,9-tetrahydroxy-5,6,11,12-tetrahydro-5,11-epiminodibenzo[a,e][8]annulene-5-carboxylic acid
Droxidopa NNC Impurity
Droxidopa BBC Impurity
Droxidopa Impurity 25
Droxidopa carbamate
Droxidopa Enantiomer Impurity
Droxidopa Phthalimido Impurity

Metabolites

Droxidopa Metabolite (Hydrate)

Isotope Labelled Compounds

Droxidopa-D3 Sodium Salt
Droxidopa Trifluoroacetic Salt 13C7