154920-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154920-45-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,9,2 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 154920-45:
(8*1)+(7*5)+(6*4)+(5*9)+(4*2)+(3*0)+(2*4)+(1*5)=133
133 % 10 = 3
So 154920-45-3 is a valid CAS Registry Number.
154920-45-3Relevant articles and documents
Synthesis of 2'-deoxyguanosine containing a N2-polyamine
Ramasamy,Bakir,Baker,Dan Cook
, p. 1373 - 1377 (2007/10/02)
The synthesis of benzylated N2-(4,7,10,13-tetraazatridec-1-yl)-2'- deoxyguanosines 4 was accomplished by a key nucleophilic reaction of the novel unsymmetrical polyamine 2, with 3',5'-O-(tetraisopropyldisiloxane-1,3- diyl)-2-chloro-2'-deoxyinos
