19919-45-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19919-45-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,1 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19919-45:
(7*1)+(6*9)+(5*9)+(4*1)+(3*9)+(2*4)+(1*5)=150
150 % 10 = 0
So 19919-45-0 is a valid CAS Registry Number.