220105-82-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220105-82-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,1,0 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 220105-82:
(8*2)+(7*2)+(6*0)+(5*1)+(4*0)+(3*5)+(2*8)+(1*2)=68
68 % 10 = 8
So 220105-82-8 is a valid CAS Registry Number.