861311-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861311-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,3,1 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 861311-40:
(8*8)+(7*6)+(6*1)+(5*3)+(4*1)+(3*1)+(2*4)+(1*0)=142
142 % 10 = 2
So 861311-40-2 is a valid CAS Registry Number.