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1274754-64-1

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1274754-64-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1274754-64-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,4,7,5 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1274754-64:
(9*1)+(8*2)+(7*7)+(6*4)+(5*7)+(4*5)+(3*4)+(2*6)+(1*4)=181
181 % 10 = 1
So 1274754-64-1 is a valid CAS Registry Number.

1274754-64-1Relevant articles and documents

Fmoc-based synthesis of peptide thioesters for native chemical ligation employing a tert -butyl thiol linker

Raz, Richard,Rademann, Joerg

supporting information; experimental part, p. 1606 - 1609 (2011/05/12)

tert-Butyl thioesters display an astonishing stability toward secondary amines in basic milieu, in contrast to other alkyl and aryl thioesters. Exploiting this enhanced stability, peptide thioesters were synthesized in a direct manner, applying a tert-butyl thiol linker for Fmoc-based solid-phase peptide synthesis.

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