16662-15-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16662-15-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,6 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16662-15:
(7*1)+(6*6)+(5*6)+(4*6)+(3*2)+(2*1)+(1*5)=110
110 % 10 = 0
So 16662-15-0 is a valid CAS Registry Number.