Appeared in the MSDS for Caltex Havoline Energy.
I've been trying to search on those CAS numbers and the confusing thing is the slightly different descriptions I get.
CAS# 64741-89-5
CITGO: MINERAL OIL, PETROLEUM DISTILLATES SOLVENT-REFINED (SEVERE) LIGHT PARAFFINIC
CALTEX: solvent refined light paraffinic
ADAMS: severely solvent refined light paraffinic
CAS# 64742-65-0
CITGO: MINERAL OIL, PETROLEUM DISTILLATES, SOLVENT-DEWAXED HEAVY PARAFFINIC (SEVERE SOLVENT-REFINING AND/OR HYDROTREATMENT)
CALTEX: solvent dewaxed heavy paraffinic
CHEVRON: hydrotreated dewaxed heavy paraffinic