Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Flupirtine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Flupirtine 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 Flupirtine-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 Flupirtine-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.
Flupirtine Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| D-13223 D4 (Flupirtine Metabolite D4) | Stable Isotopes | CS-O-10049 | 1216989-17-1 | Enquire |
| Flupirtine-d4 Hydrochloride | Stable Isotopes | CS-O-06631 | 1324717-75-0 | In Stock |
| Flupirtine-d5 (ethyl-d5) | Stable Isotopes | CS-T-95277 | 56995-20-1 (Unlabelled) | Enquire |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Flupirtine | API Standards | CS-O-30591 | 56995-20-1 | In Stock |
| Flupirtine Maleate | API Standards | CS-T-24442 | 75507-68-5 | In Stock |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Acetylated Flupirtine | Metabolites | CS-P-00343 | 88874-11-7 | In Stock |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Flupirtine 5-nitropyridine impurity | Impurities | CS-O-13607 | 33400-49-6 | In Stock |
| Flupirtine Maleate Impurity A | Impurities | CS-O-13605 | 1942902-42-2 | In Stock |
| Flupirtine Maleate Impurity B | Impurities | CS-O-13606 | Not Available | Enquire |
| Flupirtine Maleate Impurity D | Impurities | CS-T-16022 | 21630-56-8 | Enquire |
| Flupirtine Maleate Impurity E | Impurities | CS-O-13608 | 1506942-35-3 | Enquire |
| Flupirtine Maleate Impurity F | Impurities | CS-O-13609 | 1552323-75-7 | Enquire |
| Flupirtine Maleate Impurity F Hydrochloride | Impurities | CS-P-07999 | 1552323-75-7 (free base) | Enquire |
| Flupirtine Maleate Impurity H | Impurities | CS-M-06263 | 16013-85-7 | In Stock |
| N-Nitroso Flupirtine | Impurities | CS-EO-01242 | Not Available | In Stock |
| N-Nitroso Flupirtine Dimer Impurity | Impurities | CS-EO-02657 | Not Available | Enquire |
| N-Nitroso Flupirtine Dimer Impurity 1 | Impurities | CS-EO-02658 | Not Available | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Flupirtine Metabolite D13223 | Intermediates | CS-T-14299 | 95777-69-8 | Enquire |
Glucuronides
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Flupirtine-N2-β-D-Glucuronide | Glucuronides | CS-T-54967 | 1147289-74-4 | Enquire |
| Flupirtine-N6-β-D-Glucuronide | Glucuronides | CS-T-54968 | 1147289-72-2 | Enquire |