13389-36-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13389-36-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,3,8 and 9 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13389-36:
(7*1)+(6*3)+(5*3)+(4*8)+(3*9)+(2*3)+(1*6)=111
111 % 10 = 1
So 13389-36-1 is a valid CAS Registry Number.