Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Levodopa, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Levodopa 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 Levodopa-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 Levodopa-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.
Levodopa Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-O-Methyldopa-d3 | Stable Isotopes | CS-O-02682 | 586954-09-8 | In Stock |
| Foslevodopa-d3 | Stable Isotopes | CS-O-59115 | 97321-87-4 (Unlabeled) | Enquire |
| L-Dopa-2,5,6,a,b,b-d6 | Stable Isotopes | CS-C-01365 | 713140-75-1 | Enquire |
| Levodopa-d3 | Stable Isotopes | CS-O-02700 | 53587-29-4 | In Stock |
| Levodopa-D3 Deuterium Chloride | Stable Isotopes | CS-EO-02437 | Not Available | Enquire |
| 3-O-Methyldopa d3 (Phenyl-d3) | Stable Isotopes | CS-C-00885 | 300-48-1 (Unlabelled) | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Levodopa | API | CS-O-01774 | 59-92-7 | In Stock |
| Melevodopa | API | CS-O-01847 | 7101-51-1 | In Stock |
| Dopaquinone Sulphate | API | CS-O-45964 | 1797832-49-5 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| rac 3-O-Methyl DOPA | Metabolite | CS-EK-01065 | 7636-26-2 | In Stock |
| Levodopa Sulphate | Metabolite | CS-O-30480 | 217657-34-6 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-Methoxy-L-tyrosine | Impurity | CS-BX-00607 | 300-48-1 | In Stock |
| 3-Methoxytyrosine | Impurity | CS-O-57692 | 7636-26-2 | Enquire |
| 3-O-Methyl-L-DOPA Monohydrate | Impurity | CS-T-33695 | 200630-46-2 | Enquire |
| L-dopa ethyl ester hydrochloride | Impurity | CS-T-94212 | 39740-30-2 | Enquire |
| Levodopa EP Impurity D | Impurity | CS-O-10846 | 5796-17-8 | In Stock |
| Levodopa Impurity 27 | Impurity | CS-O-60537 | 25312-42-9 | Enquire |
| Levodopa Related Compound A | Impurity | CS-T-27246 | 27244-64-0 | In Stock |
| 3-Acetyl-L-tyrosine Hydrochloride | Impurity | CS-T-64839 | 32404-28-7 | Enquire |
| L-DOPA Isopropyl Ester | Impurity | CS-T-21311 | 110301-07-0 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Catechol | Intermediate | CS-T-10650 | 120-80-9 | In Stock |
| L-DOPA Methyl Ester Hydrochloride | Intermediate | CS-T-53966 | 1421-65-4 | In Stock |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-O-Methyl-L-DOPA 4-Glucuronide | Glucuronide | CS-T-58158 | 52583-26-3 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-(3,4-Dimethoxyphenyl)-L-Alanine | Fine Chemicals | CS-T-19564 | 32161-30-1 | In Stock |
| Pyruvic Acid | Fine Chemicals | CS-T-41267 | 127-17-3 | In Stock |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Levodopa | Secondary Standards | CS-SS-24282-500MG | 59-92-7 | Enquire |
| Levodopa Related Compound A | Secondary Standards | CS-SS-25007-100MG | 27244-64-0 | Enquire |
| Levodopa Related Compound B | Secondary Standards | CS-SS-25008-100MG | 7636-26-2 | Enquire |
Analytical Standard
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Levodopa-d3-AR Grade | Analytical Standard | CS-O-02700-10MG | 53587-29-4 | Enquire |
| Levodopa-d3-AR Grade-10 ppm/ACN | Analytical Standard | CS-O-02700-1ML | 53587-29-4 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Boc-O-ethyl-L-tyrosine | Building Blocks | CS-M-29734 | 76757-91-0 | Enquire |