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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Droxidopa, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Droxidopa impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Droxidopa-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Droxidopa Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,3-Benzodioxole-N-phthalimido DL-threo-Droxidopa-13C2,15N Stable Isotopes CS-T-100799 1330188-86-7 Enquire
1,3-Benzodioxole-N-phthalimido DL-threo-Droxidopa-d3 Stable Isotopes CS-T-102656 96561-34-1(Unlabelled) Enquire
3,4-Di-O-benzyl Droxidopa-13C2,15N Hydrochloride(Mixture of ... Stable Isotopes CS-T-100488 1323255-72-6 Enquire
D,L-threo-Droxidopa-13C2,15N Hydrochloride Stable Isotopes CS-O-15342 1329556-63-9 In Stock
DL-threo-Droxidopa-d3 Hydrochloride Salt Hydrate Stable Isotopes CS-T-96284 Not Available Enquire
Droxidopa Trifluoroacetic Salt 13C7 Stable Isotopes CS-EO-02429 Free base 1261397-37-8 Enquire
m,p-O-Dimethyl-L-threo-droxidopa-d6 Stable Isotopes CS-T-96718 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Droxidopa API CS-O-30571 23651-95-8 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-amino-3-hydroxy-3-(3,4-methylenedioxyphenyl)propanoic acid Impurity CS-ED-00235 56672-56-1 In Stock
Droxidopa Amine Impurity CS-EO-03051 55637-52-0 Enquire
Droxidopa Enantiomer Impurity CS-O-32725 51829-99-3 Enquire
Droxidopa Impurity 1 Impurity CS-O-15451 13023-73-9 In Stock
DROXIDOPA IMPURITY III Impurity CS-O-45233 Not Available Enquire
Droxidopa Impurity M Impurity CS-O-34012 90044-46-5 In Stock
DXD Racemic Standard (Droxidopa) Impurity CS-O-47181 492-46-6 Enquire
L-Threo-(2S,3R)3-(3,4-Dibenzyloxyphenyl) serine Impurity CS-EO-00809 106887-48-3 Enquire
(βR)-β-Hydroxy-3-(phenylmethoxy)-N-[(phenylmethoxy)carbonyl]... Impurity CS-T-78406 55382-14-4 Enquire
2,3,8,9-tetrahydroxy-5,6,11,12-tetrahydro-5,11-epiminodibenz... Impurity CS-O-36150 Not Available Enquire
DL-​erythro-​3-​(3,​4-​Dihydroxyphenyl)​serine Impurity CS-O-32724 16322-99-9 Enquire
Droxidopa Benzoate Impurity CS-EO-00086 Not Available Enquire
Droxidopa Impurity 16 Impurity CS-O-33166 96561-53-4 Enquire
Droxidopa Impurity 2 Impurity CS-T-53972 5707-55-1 Enquire
Droxidopa NNC Impurity Impurity CS-O-37325 Not Available Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Hydroxyphthalimide Fine Chemicals CS-T-28543 524-38-9 In Stock
(S)-2-Amino-1,1-diphenyl-1-propanol Fine Chemicals CS-T-92645 78603-91-5 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-threo-Droxidopa-13C6 Stable Isotope Reagent CS-T-103917 23651-95-8(unlabelled) Enquire