142168-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142168-93-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,1,6 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 142168-93:
(8*1)+(7*4)+(6*2)+(5*1)+(4*6)+(3*8)+(2*9)+(1*3)=122
122 % 10 = 2
So 142168-93-2 is a valid CAS Registry Number.
142168-93-2Relevant articles and documents
PYRIMIDINES, XXXII: SYNTHESIS AND PROPERTIES OF PYRIDOPYRIMIDINE-2,4-DIONES (5-DEAZALUMAZINES)
Pfleiderer, Mathias,Pfleiderer, Wolfgang
, p. 905 - 929 (1992)
Pyridopyrimidine-2,4-dione (8) and its N-methyl derivatives (9-11) as well as the corresponding 6-nitro analogues (12-15) have been synthesized by condensation reactions from 6-aminouracils (4-7).Reduction of compound (4-7) led to the 6-aminopyrido
