533934-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 533934-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,3,9,3 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 533934-43:
(8*5)+(7*3)+(6*3)+(5*9)+(4*3)+(3*4)+(2*4)+(1*3)=159
159 % 10 = 9
So 533934-43-9 is a valid CAS Registry Number.