6812-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6812-71-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,1 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6812-71:
(6*6)+(5*8)+(4*1)+(3*2)+(2*7)+(1*1)=101
101 % 10 = 1
So 6812-71-1 is a valid CAS Registry Number.