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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
"3,4-Di-O-benzyl DL-threo-Droxidopa-13C2,15N Hydrochloride" Stable Isotopes CS-T-88956 1329488-61-0 Enquire
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 Stable Isotopes CS-O-15342 1329556-63-9 In Stock
D,L-threo-Droxidopa-13C2,15N Hydrochloride Stable Isotopes CS-P-02550 1276295-04-5 Enquire
DL-threo-Droxidopa-d3 Stable Isotopes CS-T-93247 1643953-83-6 Enquire
DL-threo-Droxidopa-d3 Hydrochloride Salt Hydrate Stable Isotopes CS-T-96284 Not Available Enquire
Droxidopa 13C6 Stable Isotopes CS-O-15204 23651-95-8 (Unlabeled) Enquire
Droxidopa Hydrochloride 13C7 Stable Isotopes CS-O-15343 1261393-39-8 Enquire
Droxidopa Trifluoroacetic Salt 13C7 Stable Isotopes CS-EO-02429 Not Available Enquire


API Standards

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


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-N-(2-benzoyl-4- chlorophenyl )-1-benzyl pyrrolidine-2- c... Impurities CS-O-37066 1021462-91-8 Enquire
(R)-N-(2-benzoyl-4-chlorophenyl)-N-benzylpyrrolidine-2-carbo... Impurities CS-O-37326 Not Available Enquire
3,4-Di-O-benzyl DL-threo-Droxidopa Hydrochloride Impurities CS-T-52475 73594-43-1 Enquire
Droxidopa Amine Impurities CS-EO-03051 55637-52-0 Enquire
Droxidopa Benzoate Impurities CS-EO-00086 Not Available Enquire
Droxidopa Carbamate Benzoate Impurity Impurities CS-EO-00090 Not Available Enquire
Droxidopa enantiomer Impurities CS-O-32725 51829-99-3 Enquire
Droxidopa Impurity 1 Impurities CS-O-15451 13023-73-9 In Stock
Droxidopa Impurity 16 Impurities CS-O-33166 96561-53-4 Enquire
Droxidopa Impurity 2 Impurities CS-T-53972 5707-55-1 Enquire
DROXIDOPA IMPURITY III Impurities CS-O-45233 Not Available Enquire
Droxidopa Impurity M Impurities CS-O-34012 90044-46-5 In Stock
Droxidopa Monobenzyl Impurity Impurities CS-EO-00091 Not Available Enquire
Droxidopa NNC Impurity Impurities CS-O-37325 Not Available Enquire
DXD Racemic Standard (Droxidopa) Impurities CS-O-47181 492-46-6 Enquire
L-Threo-(2S,3R)3-(3,4-Dibenzyloxyphenyl) serine Impurities CS-EO-00809 106887-48-3 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"3,4-Di-O-benzyl DL-erythro-Droxidopa Hydrochloride" Intermediates CS-T-52476 73594-44-2 Enquire
1,3-Benzodioxole-N-phthalimido DL-threo-Droxidopa Intermediates CS-ED-17068 96614-52-7 Enquire
1-diphenyl-propan-1-ol Intermediates CS-O-42214 57728-35-5 Enquire
3,4-Dihydroxybenzaldehyde Intermediates CS-T-19073 139-85-5 In Stock
DL-threo-Droxidopa Intermediates CS-T-54000 3916-18-5 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Hydroxyphthalimide Fine Chemicals CS-T-28543 524-38-9 In Stock