174889-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 174889-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,8,8 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 174889-70:
(8*1)+(7*7)+(6*4)+(5*8)+(4*8)+(3*9)+(2*7)+(1*0)=194
194 % 10 = 4
So 174889-70-4 is a valid CAS Registry Number.