209974-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209974-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,9,7 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 209974-17:
(8*2)+(7*0)+(6*9)+(5*9)+(4*7)+(3*4)+(2*1)+(1*7)=164
164 % 10 = 4
So 209974-17-4 is a valid CAS Registry Number.
209974-17-4Relevant articles and documents
C-F···H-C hydrogen bonds in ribonucleic acids
Parsch, Joerg,Engels, Joachim W.
, p. 5664 - 5672 (2007/10/03)
We report the synthesis of 1′-deoxy-1′-(benzimidazol-1-yl)-β-D-ribofuranose 7 and 1′-deoxy-1′-phenyl-β-D-ribofuranose 2. With these two ribonucleoside analogues we have a set of nine different RNA building blocks in hand, which are isostere to the natural