189372-24-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189372-24-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,7 and 2 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 189372-24:
(8*1)+(7*8)+(6*9)+(5*3)+(4*7)+(3*2)+(2*2)+(1*4)=175
175 % 10 = 5
So 189372-24-5 is a valid CAS Registry Number.