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Leflunomide EP Impurity B-d4 is a deuterated compound of Leflunomide EP Impurity B. Leflunomide EP Impurity B has a CAS number of 163451-81-8. Teriflunomide is the principal active metabolite of leflunomide, an approved therapy for rheumatoid arthritis and multiple sclerosis.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 mg | Inquiry | 20 days | |
| 5 mg | Inquiry | 20 days |
| Description | Leflunomide EP Impurity B-d4 is a deuterated compound of Leflunomide EP Impurity B. Leflunomide EP Impurity B has a CAS number of 163451-81-8. Teriflunomide is the principal active metabolite of leflunomide, an approved therapy for rheumatoid arthritis and multiple sclerosis. |
| Synonyms | Teriflunomide-d4 |
| Molecular Weight | 274.23 |
| Formula | C12H5D4F3N2O2 |
| Cas No. | 1185240-22-5 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |

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