52331-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52331-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,3,3 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 52331-18:
(7*5)+(6*2)+(5*3)+(4*3)+(3*1)+(2*1)+(1*8)=87
87 % 10 = 7
So 52331-18-7 is a valid CAS Registry Number.
52331-18-7Relevant articles and documents
One-step conversion of azine N -oxides to α-N -aryltriflamidoazines
Keith, John M.
, p. 11313 - 11318 (2013/02/23)
Various pyridine, quinoline, isoquinoline, and pyrimidine N-oxides were converted to their corresponding α-N-aryltriflamidoheteroarenes in good yield by treatment with N-aryltriflimides, both neat and in solution, at temperatures ranging from rt to 100 °C
