432540-68-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 432540-68-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,2,5,4 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 432540-68:
(8*4)+(7*3)+(6*2)+(5*5)+(4*4)+(3*0)+(2*6)+(1*8)=126
126 % 10 = 6
So 432540-68-6 is a valid CAS Registry Number.