108731-47-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108731-47-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,7,3 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 108731-47:
(8*1)+(7*0)+(6*8)+(5*7)+(4*3)+(3*1)+(2*4)+(1*7)=121
121 % 10 = 1
So 108731-47-1 is a valid CAS Registry Number.
108731-47-1Relevant articles and documents
SYNTHESIS OF CONDENSED PYRAZINES FROM N-SUBSTITUTED AMINO-o-QUINONES AND ETHYLENEDIAMINE
Chernyak, S. A.,Tsizin, Yu. S.
, p. 771 - 774 (1986)
The reaction of N-monosubstituted and N,N-disubstituted amino-o-quinones with ethylenediamine, which leads to condensed pyrazine derivatives, was studied.
