120145-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120145-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,1,4 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 120145-72:
(8*1)+(7*2)+(6*0)+(5*1)+(4*4)+(3*5)+(2*7)+(1*2)=74
74 % 10 = 4
So 120145-72-4 is a valid CAS Registry Number.