105907-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105907-17-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,9,0 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 105907-17:
(8*1)+(7*0)+(6*5)+(5*9)+(4*0)+(3*7)+(2*1)+(1*7)=113
113 % 10 = 3
So 105907-17-3 is a valid CAS Registry Number.