Hello. I need a calibrant kit for MALDI-TOF covering the molecular weight range between 200 and 1500 Da. Does anyone know if this exists in the market? If not, what would be the closest range?
Thank you

Dear Marius,
Welcome to Scientific Solutions,
Hope you will get your answers over here and hope that you would contribute and unswer to postings when you will know the answer.
I know that one of my friends used to use aproduct by Sigma : ProteoMass. It is good between 500 to 6600Da
Here is a link to the product
http://www.sigmaaldrich.com/catalog/search/ProductDetail/SIGMA/MSCAL3
Guy

Thanks a lot for your help, Guy. Actually, the product you suggested is good enough for my purposes.
If anyone is interested, I found also some interesting calibration kits at Laserbiolabs (www.laserbiolabs.com). One of the items covers the range 350-1000 Da.
Cheers.
Marius