166967-84-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166967-84-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,9,6 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 166967-84:
(8*1)+(7*6)+(6*6)+(5*9)+(4*6)+(3*7)+(2*8)+(1*4)=196
196 % 10 = 6
So 166967-84-6 is a valid CAS Registry Number.