464189-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 464189-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,6,4,1,8 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 464189-99:
(8*4)+(7*6)+(6*4)+(5*1)+(4*8)+(3*9)+(2*9)+(1*9)=189
189 % 10 = 9
So 464189-99-9 is a valid CAS Registry Number.