20375-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20375-19-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,7 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20375-19:
(7*2)+(6*0)+(5*3)+(4*7)+(3*5)+(2*1)+(1*9)=83
83 % 10 = 3
So 20375-19-3 is a valid CAS Registry Number.