52717-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52717-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,7,1 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 52717-99:
(7*5)+(6*2)+(5*7)+(4*1)+(3*7)+(2*9)+(1*9)=134
134 % 10 = 4
So 52717-99-4 is a valid CAS Registry Number.