178488-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178488-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,4,8 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 178488-16:
(8*1)+(7*7)+(6*8)+(5*4)+(4*8)+(3*8)+(2*1)+(1*6)=189
189 % 10 = 9
So 178488-16-9 is a valid CAS Registry Number.