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127246-62-2

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127246-62-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127246-62-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,2,4 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 127246-62:
(8*1)+(7*2)+(6*7)+(5*2)+(4*4)+(3*6)+(2*6)+(1*2)=122
122 % 10 = 2
So 127246-62-2 is a valid CAS Registry Number.

127246-62-2Relevant articles and documents

Efficient removal of sugar O-tosyl groups and heterocycle halogens from purine nucleosides with sodium naphthalenide

Lewandowska, Elzbieta,Neschadimenko, Vladimir,Wnuk, Stanislaw F.,Robins, Morris J.

, p. 6295 - 6302 (2007/10/03)

Sodium naphthalenide effects removal of 2'-, 3'-, or 5'-O-tosyl groups from the sugar, and 2-, 6-, or 8-halogens from purine nucleosidcs. An improved tosyl protection strategy was developed for the synthesis of 9-(3-deoxy-3-fluoro-β-D-xylofuranosyl)adenine from 2',5'-di-O-tosyladenosine.

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