Z-Tyr-D-Leu-Gly-Phe-NHNH-Boc is a synthetic peptide consisting of six amino acid residues: Z-protected tyrosine (Z-Tyr), D-leucine (D-Leu), glycine (Gly), phenylalanine (Phe), and a terminal amide group (NHNH). The Boc (tert-butyloxycarbonyl) group is a protecting group for the N-terminus, which prevents unwanted side reactions during peptide synthesis. This specific sequence of amino acids is known for its potential biological activity, often used in research to study peptide-receptor interactions, drug development, and as a building block for more complex peptide structures. The Z-group on the tyrosine residue is crucial for protecting the side chain during synthesis, ensuring that the peptide maintains its integrity and functionality until the Boc group is removed, typically under acidic conditions, to reveal the free amine group for further reactions or biological studies.
The CAS Registry Mumber 81379-22-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,7 and 9 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 81379-22: (7*8)+(6*1)+(5*3)+(4*7)+(3*9)+(2*2)+(1*2)=138 138 % 10 = 8 So 81379-22-8 is a valid CAS Registry Number.