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Z-Ile-ONB, or Z-Isoleucine-ortho-nitrobenzyl ester, is a chemical compound that combines the amino acid isoleucine with the ortho-nitrobenzyl group. It is a derivative of isoleucine, an essential branched-chain amino acid, and is often used in peptide synthesis and as a substrate for enzyme studies. The ortho-nitrobenzyl group is a protecting group that can be selectively removed under specific conditions, making Z-Ile-ONB a valuable tool in the synthesis of complex peptides and proteins. Its stability and reactivity make it a popular choice in the field of organic chemistry and biochemistry.

53665-97-7

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53665-97-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53665-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,6,6 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 53665-97:
(7*5)+(6*3)+(5*6)+(4*6)+(3*5)+(2*9)+(1*7)=147
147 % 10 = 7
So 53665-97-7 is a valid CAS Registry Number.

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