Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Carbidopa, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Carbidopa 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 Carbidopa-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.
Our Carbidopa-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.
Carbidopa Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (S)-(-)-Carbidopa-d3 Hydrate | Stable Isotopes | CS-O-02756 | 1276197-58-0 | In Stock |
| (S)-Carbidopa Methyl-d3 Ester N-cyclohexylidene | Stable Isotopes | CS-T-100688 | Not Available | Enquire |
| 4-O-Methyl-d3-carbidopa | Stable Isotopes | CS-T-100052 | Not Available | Enquire |
| Carbidopa Trifluoroacetic acid salt Racemic mixture-13CD3 | Stable Isotopes | CS-SN-00012 | Not Available | Enquire |
| Carbidopa-d3 Hydrate | Stable Isotopes | CS-O-06462 | 38821-49-7 (Unlabeled) | In Stock |
| Carbidopa-d5 | Stable Isotopes | CS-T-50253 | 1185134-76-2 | Enquire |
| Foscarbidopa-d3 | Stable Isotopes | CS-O-59114 | 1907685-81-7 (Unlabeled) | Enquire |
| R-(+)-Carbidopa-d5 | Stable Isotopes | CS-T-98746 | Not Available | Enquire |
| (S)-(-)-Carbidopa D3 | Stable Isotopes | CS-O-20028 | 1276732-89-8 | Enquire |
| (S)-(-)-Carbidopa-d5 | Stable Isotopes | CS-T-69415 | 1426174-03-9 | Enquire |
| 3-O-Methyl Carbidopa-d5 | Stable Isotopes | CS-T-81595 | 1794810-91-5 | Enquire |
| Carbidopa 13C D5 | Stable Isotopes | CS-O-15454 | 302-53-4 (Unlabeled) | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Carbidopa methyl ester, hydrochloride | Metabolite | CS-O-43548 | 709656-72-4 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (S)-Carbidopa Methyl Ester N-Cyclohexylidene | Impurity | CS-T-71470 | 934371-48-9 | Enquire |
| 3,4-O,O-Dimethyl Carbidopa | Impurity | CS-O-59819 | 937203-35-5 | Enquire |
| 3-O-Methyl Carbidopa | Impurity | CS-T-58059 | 85933-19-3 | Enquire |
| Carbidopa BP/ EP Impurity F (HCl) | Impurity | CS-EO-03395 | 1458640-32-8 (Freebase) | Enquire |
| Carbidopa EP Impurity E | Impurity | CS-T-50258 | 52514-63-3 | In Stock |
| Carbidopa EP Impurity F | Impurity | CS-O-12052 | 1458640-32-8 | Discontinued |
| DL-Carbidopa | Impurity | CS-T-50252 | 302-53-4 | In Stock |
| Methyl 3-(3,4-dihydroxyphenyl)-2-methyl propanoate | Impurity | CS-O-53173 | 2104012-68-0 | Enquire |
| Rac-Carbidopa EP Impurity H | Impurity | CS-O-38880 | 2470439-16-6 | Enquire |
| rac-Carbidopa Methyl Ester | Impurity | CS-T-71242 | 91431-01-5 | In Stock |
| rac-Carbidopa Methyl Ester methyl sulphonate salt | Impurity | CS-O-57702 | 91431-01-5 (freebase) | Enquire |
| 2-Bromo (S)-Carbidopa | Impurity | CS-T-67232 | 43197-33-7 | Enquire |
| Carbidopa EP Impurity C | Impurity | CS-O-33871 | 84488-77-7 | Enquire |
| Carbidopa EP Impurity I (Racemic) | Impurity | CS-T-49530 | 1246819-09-9 | Enquire |
| Carbidopa EP Impurity J | Impurity | CS-T-49529 | 1246817-47-9 | Enquire |
| Carbidopa Ethyl Ester Hydrochloride | Impurity | CS-P-07470 | 96115-88-7 | Enquire |
| Carbidopa Imine ester | Impurity | CS-O-36175 | Not Available | Enquire |
| Carbidopa monohydrate | Impurity | CS-M-34857 | 38821-49-7 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| α-Methyl-3,4-dihydroxyphenylpropionic Acid | Intermediate | CS-T-58117 | 53832-94-3 | In Stock |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-NITROSO CARBIDOPA | Nitrosamine | CS-O-42894 | ---- | Enquire |
| N-Nitroso Carbidopa Acetate Salt | Nitrosamine | CS-O-57787 | ---- | Enquire |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Carbidopa | Secondary Standards | CS-SS-24615-1GM | 38821-49-7 | Enquire |
Chiral
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-Carbidopa | Chiral | CS-O-11281 | 28875-92-5 | Enquire |