I was using mixture of amino acids supplied with Agilent HPLC machine. Now it is going to finish. I want to buy individual amino acids for my HPLC. Which company I should go for and what should I write in my quotation. I require the following amini acids - tryptophan, phenylalanine, tyrosine, leu, Isoleu, Val. Please help me out.
When i was in your situation, I typed in search box of any search engine"Purchase amino acids for HPLC analysis", you will find many international companies working in this field. Enter on their web site and you will find all the possible varieties of AA you needed. Good Luck
I purchase amino acids from Chem Impex International. They seem to have the best prices for the purity on many of the amino acids, follow the link.
http://www.chemimpex.com/
HI.
this depends on the type of work you need them for. if you need non-protected amino acids then you can go for any company which makes them, e.g. Sigma, TCI, Fischer etc. If you want orthogonally protected (such as Fmoc/t-Bu or Boc protected) for any peptide synthesis purpose go for GL Biochem, Shanghai. Their quality is very good and they are significantly cheaper than other vendors.
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