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190907-81-4

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190907-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190907-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,9,0 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 190907-81:
(8*1)+(7*9)+(6*0)+(5*9)+(4*0)+(3*7)+(2*8)+(1*1)=154
154 % 10 = 4
So 190907-81-4 is a valid CAS Registry Number.

190907-81-4Relevant articles and documents

5-Substituted 2-aminopyridine C-nucleosides as protonated cytidine equivalents: Increasing efficiency and selectivity in DNA triple-helix formation

Hildbrand, Stefan,Blaser, Adrian,Parel, Serge P.,Leumann, Christian J.

, p. 5499 - 5511 (1997)

The easily accessible C-nucleoside 2-amino-5-(2'-deoxy-β-D- ribofuranosyl)pyridine (P) and its 3-methyl ((Me)P) and 2'-O-methyl (P(OMe)) derivatives were synthesized and incorporated as protonated cytidine equivalents in homopyrimidine oligodeoxynucleotid

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