80613-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80613-81-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,1 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 80613-81:
(7*8)+(6*0)+(5*6)+(4*1)+(3*3)+(2*8)+(1*1)=116
116 % 10 = 6
So 80613-81-6 is a valid CAS Registry Number.