D doyall Joined Jun 26, 2003 Messages 665 Location LA (Lower Alabama) Aug 8, 2003 #1 Once I get a CAS#(s) from a MSDS, how do I find the group type of the base stock?
Patman Staff member Joined May 27, 2002 Messages 22,239 Location Guelph, Ontario Aug 8, 2003 #2 If you see: CAS64742547=hydrocracked oil But it could be either group 2+ or group 3 I believe.