433258-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 433258-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,3,2,5 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 433258-67:
(8*4)+(7*3)+(6*3)+(5*2)+(4*5)+(3*8)+(2*6)+(1*7)=144
144 % 10 = 4
So 433258-67-4 is a valid CAS Registry Number.