1166975-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1166975-85-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,6,9,7 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1166975-85:
(9*1)+(8*1)+(7*6)+(6*6)+(5*9)+(4*7)+(3*5)+(2*8)+(1*5)=204
204 % 10 = 4
So 1166975-85-4 is a valid CAS Registry Number.