6120-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6120-56-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,2 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6120-56:
(6*6)+(5*1)+(4*2)+(3*0)+(2*5)+(1*6)=65
65 % 10 = 5
So 6120-56-5 is a valid CAS Registry Number.