17509-10-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17509-10-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,0 and 9 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17509-10:
(7*1)+(6*7)+(5*5)+(4*0)+(3*9)+(2*1)+(1*0)=103
103 % 10 = 3
So 17509-10-3 is a valid CAS Registry Number.