12218-01-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12218-01-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,1 and 8 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 12218-01:
(7*1)+(6*2)+(5*2)+(4*1)+(3*8)+(2*0)+(1*1)=58
58 % 10 = 8
So 12218-01-8 is a valid CAS Registry Number.