1166398-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1166398-39-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,6,3,9 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1166398-39:
(9*1)+(8*1)+(7*6)+(6*6)+(5*3)+(4*9)+(3*8)+(2*3)+(1*9)=185
185 % 10 = 5
So 1166398-39-5 is a valid CAS Registry Number.