169158-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169158-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,1,5 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 169158-28:
(8*1)+(7*6)+(6*9)+(5*1)+(4*5)+(3*8)+(2*2)+(1*8)=165
165 % 10 = 5
So 169158-28-5 is a valid CAS Registry Number.