174708-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 174708-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,7,0 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 174708-20:
(8*1)+(7*7)+(6*4)+(5*7)+(4*0)+(3*8)+(2*2)+(1*0)=144
144 % 10 = 4
So 174708-20-4 is a valid CAS Registry Number.