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18877-94-6

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18877-94-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18877-94-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,7 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18877-94:
(7*1)+(6*8)+(5*8)+(4*7)+(3*7)+(2*9)+(1*4)=166
166 % 10 = 6
So 18877-94-6 is a valid CAS Registry Number.

18877-94-6Relevant articles and documents

Studies on Amino Acids and Peptides. Part 6. Methods for Introducing Thioamide Bonds into the Peptide Backbone: Synthesis of the Four Monothio Analogues of Leucine Enkephalin

Clausen, Kim,Thorsen, Michael,Lawesson, Sven-Olov,Spatola, Arno F.

, p. 785 - 798 (2007/10/02)

A methodology for preparing peptide analogues in which a thioamide bond replaces the normal amide bond is described.Thus, the synthesis of the three leucine enkephalin analogues 4>-, 2>-, and 1>-leucine enke

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