16188-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16188-15-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,8 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16188-15:
(7*1)+(6*6)+(5*1)+(4*8)+(3*8)+(2*1)+(1*5)=111
111 % 10 = 1
So 16188-15-1 is a valid CAS Registry Number.