52057-01-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52057-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,0,5 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 52057-01:
(7*5)+(6*2)+(5*0)+(4*5)+(3*7)+(2*0)+(1*1)=89
89 % 10 = 9
So 52057-01-9 is a valid CAS Registry Number.