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Z-Phe-Leu-Pro-OBut is a peptide compound consisting of four amino acids: phenylalanine (Phe), leucine (Leu), proline (Pro), and a terminal tert-butyloxycarbonyl (OBut) group. The "Z" prefix indicates the presence of a benzyloxycarbonyl (Cbz) protecting group on the N-terminus of the peptide, which is commonly used in peptide synthesis to prevent unwanted side reactions. This specific sequence of amino acids and the protective groups are crucial for the stability and reactivity of the peptide during synthesis, and the OBut group at the C-terminus is a common protecting group that can be removed under acidic conditions to free the carboxyl group for further reactions or coupling with other peptides.

74509-16-3

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74509-16-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74509-16-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,0 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74509-16:
(7*7)+(6*4)+(5*5)+(4*0)+(3*9)+(2*1)+(1*6)=133
133 % 10 = 3
So 74509-16-3 is a valid CAS Registry Number.

74509-16-3Relevant academic research and scientific papers

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