219603-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219603-25-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,0 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 219603-25:
(8*2)+(7*1)+(6*9)+(5*6)+(4*0)+(3*3)+(2*2)+(1*5)=125
125 % 10 = 5
So 219603-25-5 is a valid CAS Registry Number.