219967-24-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219967-24-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,9,6 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 219967-24:
(8*2)+(7*1)+(6*9)+(5*9)+(4*6)+(3*7)+(2*2)+(1*4)=175
175 % 10 = 5
So 219967-24-5 is a valid CAS Registry Number.