26165-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26165-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,1,6 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 26165-19:
(7*2)+(6*6)+(5*1)+(4*6)+(3*5)+(2*1)+(1*9)=105
105 % 10 = 5
So 26165-19-5 is a valid CAS Registry Number.