The CAS Registry Mumber 109979-02-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,7 and 9 respectively; the second part has 2 digits, 0 and 2 respectively. Calculate Digit Verification of CAS Registry Number 109979-02: (8*1)+(7*0)+(6*9)+(5*9)+(4*7)+(3*9)+(2*0)+(1*2)=164 164 % 10 = 4 So 109979-02-4 is a valid CAS Registry Number.
Uncharged stereoregular nucleic acid analogues. 1. Synthesis of a cytosine-containing oligomer with carbamate internucleoside linkages
Stirchak,Summerton
, p. 4202 - 4206 (2007/10/02)
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