166985-95-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166985-95-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,9,8 and 5 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 166985-95:
(8*1)+(7*6)+(6*6)+(5*9)+(4*8)+(3*5)+(2*9)+(1*5)=201
201 % 10 = 1
So 166985-95-1 is a valid CAS Registry Number.