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15544-63-5

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15544-63-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15544-63-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,5,4 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 15544-63:
(7*1)+(6*5)+(5*5)+(4*4)+(3*4)+(2*6)+(1*3)=105
105 % 10 = 5
So 15544-63-5 is a valid CAS Registry Number.

15544-63-5Relevant academic research and scientific papers

The acid-mediated ring opening reactions of α-aryl-lactams

King, Frank D.,Caddick, Stephen

experimental part, p. 3244 - 3252 (2012/06/01)

4-Aryl-azetidin-2-ones (β-lactams) undergo ring opening with triflic acid to give cinnamamides which, in benzene, react further to give 3-aryl-3-phenyl-propionamides. Prolonged reaction times in benzene give 3,3-diphenyl-propionamide via an aryl/phenyl ex

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