Where to buy NP-40? (Not Sigma)

[M. P. Frosch, MD, PhD]

Sigma has just told me that they no longer have NP-40 and have offered
an alternative (IGEPAL CA-630).  Does anyone know if these are the
same?  Who has NP-40 for sale?

TIA, 
-- 
M.P. Frosch, MD, PhD
Neuropathology
Brigham and Women's Hospital
75 Francis Street
Boston, MA 02115

617 732-7532 (office)
617 278-0199 (lab)
617 278-6990 (fax)
frosch at dsg.harvard.edu
   or
mpfrosch at bics.bwh.harvard.edu