Certificate of Analysis

 

Product Name: Leflunomide
Catalog Number: M2229
CAS Number: 75706-12-6

Physical and Chemical Properties
Formula: C12H9F3N2O2
Molecular Weight: 270.21
Solubility: DMSO 40 mg/mL; Ethanol 10 mg/mL
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Leflunomide Structure
Analytical Data
QC Standard: 99.92%
H-NMR: Consistent with structure
Product Information
Description: Leflunomide (HWA486) is an inhibitor of dihydroorotate dehydrogenase with IC50 of 2.5 μM.
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.