220906-01-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220906-01-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,9,0 and 6 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220906-01:
(8*2)+(7*2)+(6*0)+(5*9)+(4*0)+(3*6)+(2*0)+(1*1)=94
94 % 10 = 4
So 220906-01-4 is a valid CAS Registry Number.