30120-75-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30120-75-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,1,2 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 30120-75:
(7*3)+(6*0)+(5*1)+(4*2)+(3*0)+(2*7)+(1*5)=53
53 % 10 = 3
So 30120-75-3 is a valid CAS Registry Number.