592518-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 592518-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,9,2,5,1 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 592518-05:
(8*5)+(7*9)+(6*2)+(5*5)+(4*1)+(3*8)+(2*0)+(1*5)=173
173 % 10 = 3
So 592518-05-3 is a valid CAS Registry Number.
592518-05-3Relevant articles and documents
An improved procedure for the preparation of 8-substituted guanines
Xu, Ming,De Giacomo, Fabio,Paterson, Duncan E.,George, Tesmol G.,Vasella, Andrea
, p. 1452 - 1453 (2007/10/03)
The preparation of 8-substituted guanines using a new phosphorus(III)-mediated cyclisation of 4-acylamino-5-nitrosopyrimidines as the key step is described.