433953-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 433953-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,3,9,5 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 433953-42:
(8*4)+(7*3)+(6*3)+(5*9)+(4*5)+(3*3)+(2*4)+(1*2)=155
155 % 10 = 5
So 433953-42-5 is a valid CAS Registry Number.