1022791-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1022791-84-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,2,7,9 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1022791-84:
(9*1)+(8*0)+(7*2)+(6*2)+(5*7)+(4*9)+(3*1)+(2*8)+(1*4)=129
129 % 10 = 9
So 1022791-84-9 is a valid CAS Registry Number.