171919-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171919-06-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,9,1 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 171919-06:
(8*1)+(7*7)+(6*1)+(5*9)+(4*1)+(3*9)+(2*0)+(1*6)=145
145 % 10 = 5
So 171919-06-5 is a valid CAS Registry Number.