52117-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52117-97-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,1 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52117-97:
(7*5)+(6*2)+(5*1)+(4*1)+(3*7)+(2*9)+(1*7)=102
102 % 10 = 2
So 52117-97-2 is a valid CAS Registry Number.