164470-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 164470-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,4,7 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 164470-73:
(8*1)+(7*6)+(6*4)+(5*4)+(4*7)+(3*0)+(2*7)+(1*3)=139
139 % 10 = 9
So 164470-73-9 is a valid CAS Registry Number.