189624-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189624-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,6,2 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 189624-97:
(8*1)+(7*8)+(6*9)+(5*6)+(4*2)+(3*4)+(2*9)+(1*7)=193
193 % 10 = 3
So 189624-97-3 is a valid CAS Registry Number.