Pyroglutamic acid (also known as PCA, 5-oxoproline, pidolic acid, or pyroglutamate for its basic form) is an uncommon and little studied amino acid derivative in which the free amino group of glutamic acid or glutamine cyclizes to form a lactam.
P 2790 (OTTO) L-Pyroglutamic acid, 99% Cas 98-79-3 - used as a building block for pharmaceuticals and asymmetric synthesis. P 2790 (OTTO) L-Pyroglutamic acid, 99% Cas 98-79-3 - used as a resolving agent for chiral bases and in an efficient synthesis of quinolizidine and indolizidine alkaloids.