13798-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13798-39-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,9 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13798-39:
(7*1)+(6*3)+(5*7)+(4*9)+(3*8)+(2*3)+(1*9)=135
135 % 10 = 5
So 13798-39-5 is a valid CAS Registry Number.