177166-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177166-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,1,6 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 177166-15:
(8*1)+(7*7)+(6*7)+(5*1)+(4*6)+(3*6)+(2*1)+(1*5)=153
153 % 10 = 3
So 177166-15-3 is a valid CAS Registry Number.