22222-30-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22222-30-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,2 and 2 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 22222-30:
(7*2)+(6*2)+(5*2)+(4*2)+(3*2)+(2*3)+(1*0)=56
56 % 10 = 6
So 22222-30-6 is a valid CAS Registry Number.