"Z-Leu-Gly-Cys(Bzl)-Gln-Ile-Cys(Bzl)-Leu-NHNH2" is a peptide sequence consisting of nine amino acids. It features a unique arrangement of amino acids, including leucine (Leu), glycine (Gly), cysteine with a benzyl protecting group (Cys(Bzl)), glutamine (Gln), and isoleucine (Ile). The presence of two cysteine residues with benzyl groups suggests that this peptide may be designed to form disulfide bonds upon deprotection, which is a common feature in the synthesis of cyclic peptides or proteins. The "Z" group is a protecting group for the N-terminal leucine, which is used to prevent unwanted side reactions during peptide synthesis. The "NHNH2" at the C-terminus indicates that the peptide has a free amine group, which can be used for further chemical modifications or conjugations. This peptide sequence is likely to be used in biological research or pharmaceutical development, where its specific structure and properties can be exploited for various applications, such as studying protein-protein interactions or developing new therapeutic agents.
The CAS Registry Mumber 76314-54-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,3,1 and 4 respectively; the second part has 2 digits, 5 and 4 respectively. Calculate Digit Verification of CAS Registry Number 76314-54: (7*7)+(6*6)+(5*3)+(4*1)+(3*4)+(2*5)+(1*4)=130 130 % 10 = 0 So 76314-54-0 is a valid CAS Registry Number.