57488-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57488-71-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,8 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57488-71:
(7*5)+(6*7)+(5*4)+(4*8)+(3*8)+(2*7)+(1*1)=168
168 % 10 = 8
So 57488-71-8 is a valid CAS Registry Number.