Dear sir we have Nifedipine CAS: 21829-25-4, 39562-70-4 Appearance: a light yellow crystalline powder Purity: 98% -102% Application: Nifedipine is used to treat high blood pressure. It relaxes your blood vessels so your heart does not have to pump as hard. It is kind of important pharma chemical intermediates. Packgaing: 25kg / drum If you need it,please contract us.We will give you the best price and service! By the way,we also have : Hydrotalcite,Talcid,Aluminium Magnesium Carbonate clenbuterol Hydroxycamptothecin Thanks!