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98673-66-6

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98673-66-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98673-66-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,7 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 98673-66:
(7*9)+(6*8)+(5*6)+(4*7)+(3*3)+(2*6)+(1*6)=196
196 % 10 = 6
So 98673-66-6 is a valid CAS Registry Number.

98673-66-6Relevant articles and documents

Ribonucleoside Cyclic 3',5'-Phosphoramidates: Synthesis, Stereochemistry, and Conversion into Ribonucleoside Cyclic 3',5'-Phosphorothioates and -Phosphates

Baraniak, Janina,Stec, Wojcieh J.

, p. 1645 - 1656 (2007/10/02)

Base- and O2'-protected nucleoside cyclic 3',5'-phosphates (1) react with aniline in the presence of triphenylphosphine-carbon tetrachloride to give the nucleoside cyclic 3',5'-phosphoramidates (2), which after separation into individual diaste

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