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548490-56-8

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548490-56-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 548490-56-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,8,4,9 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 548490-56:
(8*5)+(7*4)+(6*8)+(5*4)+(4*9)+(3*0)+(2*5)+(1*6)=188
188 % 10 = 8
So 548490-56-8 is a valid CAS Registry Number.

548490-56-8Relevant articles and documents

Fast, solid-phase synthesis of chiral peptide nucleic acids with a high optical purity by a submonomeric strategy

Sforza, Stefano,Tedeschi, Tullia,Corradini, Roberto,Ciavardelli, Domenico,Dossena, Arnaldo,Marchelli, Rosangela

, p. 1056 - 1063 (2007/10/03)

The solid-phase synthesis of chiral peptide nucleic acids (PNAs) usually results in partial epimerization of the products, since the α-nitrogen atom of the amino acid is involved in an amidic bond. It is also time-consuming, since all the chiral monomers

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