16619-22-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16619-22-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,1 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 16619-22:
(7*1)+(6*6)+(5*6)+(4*1)+(3*9)+(2*2)+(1*2)=110
110 % 10 = 0
So 16619-22-0 is a valid CAS Registry Number.