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1048657-24-4

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1048657-24-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1048657-24-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,8,6,5 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1048657-24:
(9*1)+(8*0)+(7*4)+(6*8)+(5*6)+(4*5)+(3*7)+(2*2)+(1*4)=164
164 % 10 = 4
So 1048657-24-4 is a valid CAS Registry Number.

1048657-24-4Relevant articles and documents

Design and scalable synthesis of new chiral selectors. Part 1: Synthesis and characterization of a new constrained cyclopeptide from unnatural bulky amino acids

Ferron, Laurent,Guillen, Frederic,Coste, Servane,Coquerel, Gerard,Cardinael, Pascal,Schwartz, Joel,Paris, Jean-Marc,Plaquevent, Jean-Christophe

, p. 6036 - 6044 (2011/09/12)

We describe the conception, synthesis, and characterization of a novel cyclopeptide designed for chiral recognition. The asymmetric units are built from an unnatural amino acid in the series of α-aryl-α-methyl glycine. Modifications of standard methods of peptide synthesis are described in order to improve yields and purities when applied to hindered amino acids. First set of experiments about host-guest ability of the obtained cyclopeptide is disclosed.

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