439933-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 439933-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,9,3 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 439933-59:
(8*4)+(7*3)+(6*9)+(5*9)+(4*3)+(3*3)+(2*5)+(1*9)=192
192 % 10 = 2
So 439933-59-2 is a valid CAS Registry Number.