142169-07-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142169-07-1 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 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 142169-07:
(8*1)+(7*4)+(6*2)+(5*1)+(4*6)+(3*9)+(2*0)+(1*7)=111
111 % 10 = 1
So 142169-07-1 is a valid CAS Registry Number.
142169-07-1Relevant articles and documents
PYRIMIDINES, XXXII: SYNTHESIS AND PROPERTIES OF PYRIDOPYRIMIDINE-2,4-DIONES (5-DEAZALUMAZINES)
Pfleiderer, Mathias,Pfleiderer, Wolfgang
, p. 905 - 929 (2007/10/02)
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
