82167-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82167-71-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,6 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 82167-71:
(7*8)+(6*2)+(5*1)+(4*6)+(3*7)+(2*7)+(1*1)=133
133 % 10 = 3
So 82167-71-3 is a valid CAS Registry Number.