178110-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178110-57-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,1,1 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 178110-57:
(8*1)+(7*7)+(6*8)+(5*1)+(4*1)+(3*0)+(2*5)+(1*7)=131
131 % 10 = 1
So 178110-57-1 is a valid CAS Registry Number.