220248-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220248-42-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,2,4 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 220248-42:
(8*2)+(7*2)+(6*0)+(5*2)+(4*4)+(3*8)+(2*4)+(1*2)=90
90 % 10 = 0
So 220248-42-0 is a valid CAS Registry Number.