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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Teriflunomide, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Teriflunomide 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 Teriflunomide-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.

Teriflunomide Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Teriflunomide-d4 Stable Isotopes CS-O-03076 1185240-22-5 In Stock
Teriflunomide 13C5 Stable Isotopes CS-EK-00657 163451-81-8 unlabeled Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Teriflunomide API CS-O-05920 163451-81-8 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Hydroxy-Teriflunomide Metabolite CS-T-28773 1058722-45-4 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Cyano-3-hydroxy-N-(4-methylphenyl)-2-butenamide Impurity CS-T-89832 1385789-70-7 In Stock
Leflunomide EP Impurity G Impurity CS-O-13279 724429-16-7 In Stock
Ortho isomer Teriflunomide Impurity CS-O-39261 220512-86-7 In Stock
Teriflunomide dicyanoacetyl Impurity Impurity CS-O-59489 ---- Enquire
Teriflunomide Impurity 14 Impurity CS-EO-01822 171171-44-1 Enquire
Teriflunomide Impurity 3 Impurity CS-ZH-29843 1011244-72-6 Enquire
2-cyano-2-hydroxy-N-[4-(trifluoromethyl)phenyl] acetamide Impurity CS-O-35145 Not Available Enquire
3-Trifluoromethyl Teriflunomide Impurity CS-O-33469 63927-52-6 Enquire
4-(difluoromethyl)aniline hydrochloride Impurity CS-ZB-12222 1980063-54-4 Enquire
Teriflunomide - Meta isomer Impurity CS-O-35837 Not Available Enquire
Teriflunomide - Ortho isomer Impurity CS-O-35836 Not Available Enquire
Teriflunomide Impurity 11 Impurity CS-EO-00297 Not Available Enquire
Teriflunomide Impurity 19 Impurity CS-EO-00376 Not Available Enquire
Teriflunomide Impurity 20 Impurity CS-EO-00377 Not Available Enquire
Teriflunomide Impurity 21 Impurity CS-EO-00378 Not Available Enquire
Teriflunomide Impurity 22 Impurity CS-EO-00379 Not Available Enquire
Teriflunomide Impurity 26 Impurity CS-EO-01823 2734292-21-6 Enquire
Teriflunomide Impurity 4 Impurity CS-EO-01675 2366-92-9 Enquire
Teriflunomide Lactose Adduct 1 Impurity CS-P-09214 Not Available Enquire
Teriflunomide Lactose Adduct 2 Impurity CS-P-09215 Not Available Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ethyl 2-(ethoxymethylene)acetoacetate Intermediate CS-O-11278 3788-94-1 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Toluidine Fine Chemicals CS-T-44587 106-49-0 In Stock
Diethyl 4-hydroxyisophthalate Fine Chemicals CS-O-52725 5985-25-1 Enquire
4-(Fluoromethyl)aniline Fine Chemicals CS-ED-01249 61865-29-0 Enquire
4-Amino-3-chlorobenzotrifluoride Fine Chemicals CS-M-00354 39885-50-2 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Teriflunomide Nitrosamine CS-O-43389 Not Available Discontinued


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2Z)-2-Cyano-N-(4-cyanophenyl)-3-hydroxy-2-Butenamide Building Blocks CS-TB-07211 202057-74-7 Enquire
4'-(Trifluoromethyl)acetanilide Building Blocks CS-M-02414 349-97-3 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(E)-Teriflunomide Chiral CS-O-15326 214782-56-6 Enquire