220863-62-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220863-62-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,8,6 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 220863-62:
(8*2)+(7*2)+(6*0)+(5*8)+(4*6)+(3*3)+(2*6)+(1*2)=117
117 % 10 = 7
So 220863-62-7 is a valid CAS Registry Number.