1142198-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1142198-84-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,2,1,9 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1142198-84:
(9*1)+(8*1)+(7*4)+(6*2)+(5*1)+(4*9)+(3*8)+(2*8)+(1*4)=142
142 % 10 = 2
So 1142198-84-2 is a valid CAS Registry Number.