168919-01-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 168919-01-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,8,9,1 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 168919-01:
(8*1)+(7*6)+(6*8)+(5*9)+(4*1)+(3*9)+(2*0)+(1*1)=175
175 % 10 = 5
So 168919-01-5 is a valid CAS Registry Number.