225917-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 225917-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,5,9,1 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 225917-75:
(8*2)+(7*2)+(6*5)+(5*9)+(4*1)+(3*7)+(2*7)+(1*5)=149
149 % 10 = 9
So 225917-75-9 is a valid CAS Registry Number.