92944-56-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92944-56-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,9,4 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 92944-56:
(7*9)+(6*2)+(5*9)+(4*4)+(3*4)+(2*5)+(1*6)=164
164 % 10 = 4
So 92944-56-4 is a valid CAS Registry Number.
92944-56-4Relevant articles and documents
SYNTHESIS OF PYRIDONOANTHRAPYRIMIDINES
Kazankov, M. V.,Bernadskii, M. I.
, p. 808 - 812 (1984)
The reaction of 6- and 8-chloroacetylaminopyrimidinoanthrones with pyridine in the case of the 8-isomer leads to the formation of a pyridone ring, while in the case of the 6-isomer it stops at the formation of the ω-pyridinium salt.The latter, like ω-pyri
