4-Ketostearic acid (CAS NO.16694-30-7) is also named as 4-03-00-01687 (Beilstein Handbook Reference) ; 4-Oxooctadecanoic acid ; BRN 1712856 ; Octadecanoic acid, 4-oxo- (7CI,8CI,9CI) ; Stearic acid, 4-oxo- .