432491-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 432491-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,2,4,9 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 432491-68:
(8*4)+(7*3)+(6*2)+(5*4)+(4*9)+(3*1)+(2*6)+(1*8)=144
144 % 10 = 4
So 432491-68-4 is a valid CAS Registry Number.