13881-35-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13881-35-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,8,8 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13881-35:
(7*1)+(6*3)+(5*8)+(4*8)+(3*1)+(2*3)+(1*5)=111
111 % 10 = 1
So 13881-35-1 is a valid CAS Registry Number.