"Z(OMe)-Leu-Arg(Mts)-Arg(Mts)-Ile-OBzl" is a peptide sequence consisting of six amino acids: Z(OMe), Leu, Arg(Mts), Arg(Mts), Ile, and OBzl. Z(OMe) represents a benzyloxycarbonyl-protected methionine, which is a common protecting group used in peptide synthesis to prevent unwanted side reactions. Leu stands for leucine, an essential amino acid. Arg(Mts) denotes arginine with a 4-methyltrityl (Mts) protecting group, which is used to protect the guanidinium group of arginine during peptide synthesis. The sequence contains two Arg(Mts) residues, indicating the presence of two arginine amino acids with Mts protection. Ile is isoleucine, another essential amino acid. OBzl signifies benzyl protection, which is used to protect the side chain of the final amino acid in the sequence. This peptide sequence is likely used in research or pharmaceutical applications, where the protecting groups are crucial for controlling the reactivity and stability of the peptide during synthesis.
The CAS Registry Mumber 98297-95-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,2,9 and 7 respectively; the second part has 2 digits, 9 and 5 respectively. Calculate Digit Verification of CAS Registry Number 98297-95: (7*9)+(6*8)+(5*2)+(4*9)+(3*7)+(2*9)+(1*5)=201 201 % 10 = 1 So 98297-95-1 is a valid CAS Registry Number.