174320-28-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 174320-28-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,3,2 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 174320-28:
(8*1)+(7*7)+(6*4)+(5*3)+(4*2)+(3*0)+(2*2)+(1*8)=116
116 % 10 = 6
So 174320-28-6 is a valid CAS Registry Number.