802984-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 802984-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,2,9,8 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 802984-20:
(8*8)+(7*0)+(6*2)+(5*9)+(4*8)+(3*4)+(2*2)+(1*0)=169
169 % 10 = 9
So 802984-20-9 is a valid CAS Registry Number.