In article <463skp$m0l at saba.info.ucla.edu>, John Ferbas <Ferbas at cyto.medsch.ucla.edu> writes:
>Sigma no longer sells NP-40, and I am unaware of any other vendors.
>Does anyone know another vendor?
A quick check of my catalogs shows NP-40 is also sold by
Boehringer Mannheim and USB.
Hope this helps.
