132373-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132373-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,3,7 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 132373-28:
(8*1)+(7*3)+(6*2)+(5*3)+(4*7)+(3*3)+(2*2)+(1*8)=105
105 % 10 = 5
So 132373-28-5 is a valid CAS Registry Number.
132373-28-5Relevant articles and documents
CYANOACETYLATION OF 6-AMINOURACILS. SYNTHESIS OF 7-AMINOPYRIDOPYRIMIDINE-2,4,5-TRIONES
Smirnova, N. M.,Cherdantseva, N. M.,Burova, O. A.,Nesterov, V. M.,Safonova, T. S.
, p. 811 - 815 (2007/10/02)
6-Aminouracils and N-substituted derivatives are cyanoacetylated to give 5-cyanoacetyl-6-aminouracils.In the presence of bases these are converted to pyridopyrimidine-2,4,5-triones in high yields.