Z-Trp-Gly-Gly-OH, also known as Z-Tryptophan-Glycine-Glycine, is a tripeptide composed of three amino acids: tryptophan (Trp), glycine (Gly), and glycine (Gly). The "Z" prefix indicates the presence of a benzyloxycarbonyl (Cbz) protecting group, which is commonly used in peptide synthesis to prevent unwanted side reactions. This specific sequence of amino acids is of interest in the field of biochemistry and pharmaceuticals, as it can be a building block for larger peptides or proteins, and may have potential applications in drug development, particularly in the design of peptide-based therapeutics. The protecting group ensures that the peptide remains stable during synthesis, allowing for the controlled assembly of more complex structures.
The CAS Registry Mumber 20696-66-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,9 and 6 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 20696-66: (7*2)+(6*0)+(5*6)+(4*9)+(3*6)+(2*6)+(1*6)=116 116 % 10 = 6 So 20696-66-6 is a valid CAS Registry Number.