223118-68-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 223118-68-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,1,1 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 223118-68:
(8*2)+(7*2)+(6*3)+(5*1)+(4*1)+(3*8)+(2*6)+(1*8)=101
101 % 10 = 1
So 223118-68-1 is a valid CAS Registry Number.