220830-04-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220830-04-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,8,3 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 220830-04:
(8*2)+(7*2)+(6*0)+(5*8)+(4*3)+(3*0)+(2*0)+(1*4)=86
86 % 10 = 6
So 220830-04-6 is a valid CAS Registry Number.