219923-19-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219923-19-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,9,2 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 219923-19:
(8*2)+(7*1)+(6*9)+(5*9)+(4*2)+(3*3)+(2*1)+(1*9)=150
150 % 10 = 0
So 219923-19-0 is a valid CAS Registry Number.