Methyldopa,API(Active Pharmaceutical Ingredient) CAS No.: 41372-08-1 Description: white to off-white crystalline powder Assay: 98.5~101.0% We obtained the GMP certificate of Methyldopa at January 23 of 2006, the Certificate No. is ZH0292 We got COS certificate for Methyldopa on Decemner 15,2005.No.:RO-CEP 2003-241-Rev 00 We can offer high quality Active Pharmaceutical Ingredient with competitive price.