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Z-D-Ala-D-HyIv-OtBu is a synthetic peptide consisting of four amino acid residues: D-alanine (D-Ala), D-homoisoleucine (D-HyIv), and two D-alanine residues. The "Z" group is a protecting group used in peptide synthesis to prevent unwanted side reactions. The OtBu group is a tert-butyloxycarbonyl (Boc) protecting group attached to the N-terminus of the peptide, which also serves to protect the peptide from unwanted reactions during synthesis. This specific sequence of amino acids and protecting groups is used in the synthesis of certain peptide drugs, such as antibiotics, and plays a crucial role in the development of new pharmaceuticals.

31508-82-4

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31508-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31508-82-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,5,0 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 31508-82:
(7*3)+(6*1)+(5*5)+(4*0)+(3*8)+(2*8)+(1*2)=94
94 % 10 = 4
So 31508-82-4 is a valid CAS Registry Number.
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