Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Favipiravir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Favipiravir 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 Favipiravir-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 Favipiravir-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.
Favipiravir Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Favipiravir 13C15N | Stable Isotopes | CS-O-39946 | 259793-96-9(unlabelled) | Enquire |
| Favipiravir D4 | Stable Isotopes | CS-O-35654 | 259793-96-9 (Unlabeled) | Enquire |
| Favipiravir-13C3 | Stable Isotopes | CS-O-35629 | Not Available | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Favipiravir | API | CS-O-13215 | 259793-96-9 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 6-chloro-3-hydroxypyrazine-2-carboxamide | Impurity | CS-ZE-24720 | 259793-90-3 | In Stock |
| 2-carbamoyl-6-fluoro-3-hydroxypyrazine 1-oxide | Impurity | CS-O-35780 | Not Available | Enquire |
| 3,6-Difluoropyrazine-2-carboxamide | Impurity | CS-MM-45250 | 356783-29-4 | Enquire |
| 3-carbamoyl-5-fluoro-2-hydroxypyrazine 1,4-dioxide | Impurity | CS-O-35782 | Not Available | Enquire |
| 3-carbamoyl-5-fluoro-2-hydroxypyrazine 1-oxide | Impurity | CS-O-35781 | Not Available | Enquire |
| 3-hydroxy-6-methoxypyrazine-2-carboxamide | Impurity | CS-O-38222 | Not Available | Enquire |
| 5-chloro-3-fluoropyrazine-2-carbonitrile | Impurity | CS-ED-01135 | 1378507-98-2 | Enquire |
| 5-Fluoro-1H-pyrazin-2-one | Impurity | CS-ZJ-06717 | 33870-92-7 | Enquire |
| 6-Ethoxy-3-hydroxypyrazine-2-carboxamide | Impurity | CS-O-39497 | Not Available | Enquire |
| 6-fluoro-4-hydroxy-3-oxo-3,4-dihydropyrazine-2-carboxamide | Impurity | CS-O-35714 | Not Available | Enquire |
| Favipiravir Fluoro Hydroxy Nitrile impurity | Impurity | CS-O-38249 | 1137606-76-8 | Enquire |
| Favipiravir Impurity 1 | Impurity | CS-P-08451 | Not Available | Enquire |
| Favipiravir Impurity 10 | Impurity | CS-P-08458 | Not Available | Enquire |
| Favipiravir Impurity 11 | Impurity | CS-P-08459 | 440124-25-4 | Enquire |
| Favipiravir Impurity 7 | Impurity | CS-P-08452 | 356783-49-8 | Enquire |
| Favipiravir Impurity 8 | Impurity | CS-P-08453 | Not Available | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 6-Chloropyrazine-2-carbonitrile | Intermediate | CS-T-72743 | 6863-74-7 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3,6-Dichloropyrazine-2-carbonitrile | Fine Chemicals | CS-MM-44494 | 356783-16-9 | Enquire |
| 3,6-Difluoropyrazine-2-carbonitrile | Fine Chemicals | CS-MM-45249 | 356783-28-3 | In Stock |
| 6-Bromo-3-hydroxypyrazine-2-carboxamide | Fine Chemicals | CS-MM-50822 | 259793-88-9 | In Stock |
| 6-chloro-3-fluoropyridine-2-carbonitrile | Fine Chemicals | CS-ZB-30900 | 1207609-52-6 | Enquire |