52168-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52168-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,6 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52168-17:
(7*5)+(6*2)+(5*1)+(4*6)+(3*8)+(2*1)+(1*7)=109
109 % 10 = 9
So 52168-17-9 is a valid CAS Registry Number.