57166-01-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57166-01-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,1,6 and 6 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57166-01:
(7*5)+(6*7)+(5*1)+(4*6)+(3*6)+(2*0)+(1*1)=125
125 % 10 = 5
So 57166-01-5 is a valid CAS Registry Number.