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4546-64-9

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4546-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4546-64-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,4 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4546-64:
(6*4)+(5*5)+(4*4)+(3*6)+(2*6)+(1*4)=99
99 % 10 = 9
So 4546-64-9 is a valid CAS Registry Number.

4546-64-9Relevant articles and documents

A new method for the phosphorylation of nucleosides

Taktakishvili,Nair

, p. 7173 - 7176 (2007/10/03)

A new phosphorylating reagent, 2-O-(4,4'-dimethoxytrityl)ethylsulfonylethan-2'-yl-phosphate (1), was developed for the phosphorylation of primary and secondary alcohols of nucleosides. In the many examples studied, yields in the phosphorylation step were excellent (~80 to 95%). There is potential for wide applicability of this procedure, not only in nucleoside and nucleotide chemistry, but also in the phosphorylation of biomolecules such as carbohydrates and amino acids. (C) 2000 Elsevier Science Ltd.

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