1020998-62-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1020998-62-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,0,9,9 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1020998-62:
(9*1)+(8*0)+(7*2)+(6*0)+(5*9)+(4*9)+(3*8)+(2*6)+(1*2)=142
142 % 10 = 2
So 1020998-62-2 is a valid CAS Registry Number.