1173208-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1173208-85-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,2,0 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1173208-85:
(9*1)+(8*1)+(7*7)+(6*3)+(5*2)+(4*0)+(3*8)+(2*8)+(1*5)=139
139 % 10 = 9
So 1173208-85-9 is a valid CAS Registry Number.