ping, we had great success as far as price and level of synthesis with a company called Synbiosci, Livermore, CA. I am no way connected to this company but just a suggestion. hope it helps psp On Mon, Jun 1, 2009 at 10:31 AM, ping sun <[log in to unmask]> wrote: > Dear All, > > I would appreciate if anyone could recommend any company for long peptide > synthesis? It will be better if it is reliable and reasonable priced. > > The peptide we want to synthesis is around 40-50aa long, should be HPLC > grade and above 98% purity. > > Thank you! > > Ping Sun > National Cancer Institute at Frederick > Frederick, MD 21702 > -- Pius S Padayatti Scientist, Polgenix, Inc. 11000 Cedar Ave, Suite 260 Cleveland, OH 44106 Phone: 216-658-4528 Fax: 216-658-4529