22116-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22116-34-3 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, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22116-34:
(7*2)+(6*2)+(5*1)+(4*1)+(3*6)+(2*3)+(1*4)=63
63 % 10 = 3
So 22116-34-3 is a valid CAS Registry Number.