17912-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17912-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,1 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17912-09:
(7*1)+(6*7)+(5*9)+(4*1)+(3*2)+(2*0)+(1*9)=113
113 % 10 = 3
So 17912-09-3 is a valid CAS Registry Number.