220525-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220525-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,5,2 and 5 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 220525-47:
(8*2)+(7*2)+(6*0)+(5*5)+(4*2)+(3*5)+(2*4)+(1*7)=93
93 % 10 = 3
So 220525-47-3 is a valid CAS Registry Number.