19314-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19314-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,3,1 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 19314-23:
(7*1)+(6*9)+(5*3)+(4*1)+(3*4)+(2*2)+(1*3)=99
99 % 10 = 9
So 19314-23-9 is a valid CAS Registry Number.