168434-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 168434-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,8,4,3 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 168434-20:
(8*1)+(7*6)+(6*8)+(5*4)+(4*3)+(3*4)+(2*2)+(1*0)=146
146 % 10 = 6
So 168434-20-6 is a valid CAS Registry Number.