112547-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 112547-47-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,5,4 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 112547-47:
(8*1)+(7*1)+(6*2)+(5*5)+(4*4)+(3*7)+(2*4)+(1*7)=104
104 % 10 = 4
So 112547-47-4 is a valid CAS Registry Number.
112547-47-4Relevant articles and documents
Heterocycles. Part X. Synthesis of New Pyrimidine Systems
El-Rayyes, N. R.,Ramadan, H. M.
, p. 589 - 596 (2007/10/02)
Selected aryl aldehydes I were reacted with 1-benzosuberone to give the corresponding 2-arylidene-1-benzosuberone II.Condensation of these chalcones with urea and thiourea revealed the formation of the corresponding substituted pyrimidin-2-ones III, and p