39453-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39453-13-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,4,5 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 39453-13:
(7*3)+(6*9)+(5*4)+(4*5)+(3*3)+(2*1)+(1*3)=129
129 % 10 = 9
So 39453-13-9 is a valid CAS Registry Number.