82811-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82811-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,8,1 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82811-72:
(7*8)+(6*2)+(5*8)+(4*1)+(3*1)+(2*7)+(1*2)=131
131 % 10 = 1
So 82811-72-1 is a valid CAS Registry Number.