1173018-81-9 Usage
Uses
Labelled polycyclic aromatic hydrocarbons as micropollutants.
Check Digit Verification of cas no
The CAS Registry Mumber 1173018-81-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,0,1 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1173018-81:
(9*1)+(8*1)+(7*7)+(6*3)+(5*0)+(4*1)+(3*8)+(2*8)+(1*1)=129
129 % 10 = 9
So 1173018-81-9 is a valid CAS Registry Number.