40020-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40020-03-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,2 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40020-03:
(7*4)+(6*0)+(5*0)+(4*2)+(3*0)+(2*0)+(1*3)=39
39 % 10 = 9
So 40020-03-9 is a valid CAS Registry Number.
40020-03-9Relevant articles and documents
Herbicidal n-cyanopyridazinones
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, (2008/06/13)
Novel herbicidal N-cyanopyridazinones of the general formula STR1 in which the radicals R1, R2 and R3 independently of one another denote hydrogen, halogen, amino, nitro, cyano, alkyl, aryl, aralkyl, alkoxy or aryloxy grou
