20017-19-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20017-19-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,1 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20017-19:
(7*2)+(6*0)+(5*0)+(4*1)+(3*7)+(2*1)+(1*9)=50
50 % 10 = 0
So 20017-19-0 is a valid CAS Registry Number.
20017-19-0Relevant academic research and scientific papers
Process for the manufacture of 5-oxoalkanoic acids
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, (2008/06/13)
5-Oxoalkanoic acids are prepared by addition of a ketone containing at least one hydrogen atom in the α-position with regard to the keto group, to an α,β-unsaturated acid. As catalysts secondary amines are present.
