Copper, Collagen, and Controversy: Inside the GHK Cu Buzz A little confused about my teacher's words regarding this: "The pKa table goes by general functional groups, not specific compounds. You should memorize functional group pKa's. " It seems like this table Buy (Rac) 1,2 Dihexadecylglycerol (CAS 13071 60 8) 98% Purity Measurement of the pKa Values of Organic Molecules in AqueousOrganic Solvent Mixtures by 1H NMR without External Calibrants Analytical Chemistry