1165453-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1165453-85-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,5,4,5 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1165453-85:
(9*1)+(8*1)+(7*6)+(6*5)+(5*4)+(4*5)+(3*3)+(2*8)+(1*5)=159
159 % 10 = 9
So 1165453-85-9 is a valid CAS Registry Number.