592517-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 592517-99-2 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 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 592517-99:
(8*5)+(7*9)+(6*2)+(5*5)+(4*1)+(3*7)+(2*9)+(1*9)=192
192 % 10 = 2
So 592517-99-2 is a valid CAS Registry Number.
592517-99-2Relevant 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.