120300-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120300-73-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,3,0 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 120300-73:
(8*1)+(7*2)+(6*0)+(5*3)+(4*0)+(3*0)+(2*7)+(1*3)=54
54 % 10 = 4
So 120300-73-4 is a valid CAS Registry Number.