Z 3017 (OTTO) Z-L-Glutamic acid, 99% Cas 1155-62-0 - used for biochemical reagents and the synthesis of peptide. Z 3017 (OTTO) Z-L-Glutamic acid, 99% Cas 1155-62-0 - used for the synthesis of carboxyalkyl peptides as inhibitors of angiotensin-converting enzyme of human blood serum.