A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z    
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.

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 Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Favipiravir API Standards CS-O-13215 259793-96-9 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-carbamoyl-6-fluoro-3-hydroxypyrazine 1-oxide Impurities CS-O-35780 Not Available Enquire
3-carbamoyl-5-fluoro-2-hydroxypyrazine 1,4-dioxide Impurities CS-O-35782 Not Available Enquire
3-carbamoyl-5-fluoro-2-hydroxypyrazine 1-oxide Impurities CS-O-35781 Not Available Enquire
3-hydroxy-6-methoxypyrazine-2-carboxamide Impurities CS-O-38222 Not Available Enquire
5-chloro-3-fluoropyrazine-2-carbonitrile Impurities CS-ED-01135 1378507-98-2 Enquire
6-fluoro-3-hydroxypyrazine-2-carboxylic acid Impurities CS-P-08457 1079990-21-8 In Stock
6-fluoro-4-hydroxy-3-oxo-3,4-dihydropyrazine-2-carboxamide Impurities CS-O-35714 Not Available Enquire
Favipiravir Fluoro Hydroxy Nitrile impurity Impurities CS-O-38249 1137606-76-8 Enquire
Favipiravir Impurity 1 Impurities CS-P-08451 Not Available Enquire
Favipiravir Impurity 10 Impurities CS-P-08458 Not Available Enquire
Favipiravir Impurity 11 Impurities CS-P-08459 440124-25-4 Enquire
Favipiravir Impurity 7 Impurities CS-P-08452 356783-49-8 Enquire
Favipiravir Impurity 8 Impurities CS-P-08453 Not Available Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide Fine Chemicals CS-T-19268 55321-99-8 In Stock
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