840802-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 840802-79-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,0,8,0 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 840802-79:
(8*8)+(7*4)+(6*0)+(5*8)+(4*0)+(3*2)+(2*7)+(1*9)=161
161 % 10 = 1
So 840802-79-1 is a valid CAS Registry Number.