22116-82-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22116-82-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,1 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 22116-82:
(7*2)+(6*2)+(5*1)+(4*1)+(3*6)+(2*8)+(1*2)=71
71 % 10 = 1
So 22116-82-1 is a valid CAS Registry Number.