54440-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54440-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,4,4 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 54440-20:
(7*5)+(6*4)+(5*4)+(4*4)+(3*0)+(2*2)+(1*0)=99
99 % 10 = 9
So 54440-20-9 is a valid CAS Registry Number.
54440-20-9Relevant academic research and scientific papers
Compositions and method for treating epilepsy and convulsions
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, (2008/06/13)
Compounds of the formula STR1 wherein R1 and R2 are each hydrogen or lower alkyl, R3 represents lower alkyl and A is a monovalent group of formula: STR2 wherein Y is hydrogen or the acyl radical of a hydrocarbon carboxylic