173450-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173450-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,4,5 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 173450-40:
(8*1)+(7*7)+(6*3)+(5*4)+(4*5)+(3*0)+(2*4)+(1*0)=123
123 % 10 = 3
So 173450-40-3 is a valid CAS Registry Number.