CCK Octapeptide (Sincalide)

CSCCC (NC (=O) C (CC1=CC=C (O[S] (O) (=O) =O) C=C1) NC (=O) C (N) CC (O) =O) C (=O) NCC (=O) NC (CC2=C[NH]C3=CC=CC=C23) C (=O) NC (CCSC) C (=O) NC (CC (O) =O) C (=O) NC (CC4=CC=CC=C4) C (N) =O

CCK Octapeptide (Sincalide, Cholecystokinin Octapeptide, CCK-OP, CCK-8, SQ 19,844) is a endogenous peptide hormone found in the intestine and brain that stimulates digestion.