81031-67-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81031-67-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,3 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81031-67:
(7*8)+(6*1)+(5*0)+(4*3)+(3*1)+(2*6)+(1*7)=96
96 % 10 = 6
So 81031-67-6 is a valid CAS Registry Number.