19043-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19043-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,0,4 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19043-45:
(7*1)+(6*9)+(5*0)+(4*4)+(3*3)+(2*4)+(1*5)=99
99 % 10 = 9
So 19043-45-9 is a valid CAS Registry Number.