161928-45-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161928-45-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,2 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 161928-45:
(8*1)+(7*6)+(6*1)+(5*9)+(4*2)+(3*8)+(2*4)+(1*5)=146
146 % 10 = 6
So 161928-45-6 is a valid CAS Registry Number.