89808-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89808-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,0 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89808-19:
(7*8)+(6*9)+(5*8)+(4*0)+(3*8)+(2*1)+(1*9)=185
185 % 10 = 5
So 89808-19-5 is a valid CAS Registry Number.
89808-19-5Relevant articles and documents
THE SYNTHESIS AND SOME REACTIONS OF CHLOROPYRIMIDINES
Hurst, Derek T.
, p. 79 - 84 (2007/10/02)
Several chloro-hydroxy- and amino- chloropyrimidines have been prepared.The chloro groups have been replaced by hydrogen, mercapto, or hydroxyamino substituents to give useful synthetic intermediates.