19308-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19308-45-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,3,0 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19308-45:
(7*1)+(6*9)+(5*3)+(4*0)+(3*8)+(2*4)+(1*5)=113
113 % 10 = 3
So 19308-45-3 is a valid CAS Registry Number.