13562-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13562-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,6 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 13562-17:
(7*1)+(6*3)+(5*5)+(4*6)+(3*2)+(2*1)+(1*7)=89
89 % 10 = 9
So 13562-17-9 is a valid CAS Registry Number.