5109-60-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5109-60-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,0 and 9 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5109-60:
(6*5)+(5*1)+(4*0)+(3*9)+(2*6)+(1*0)=74
74 % 10 = 4
So 5109-60-4 is a valid CAS Registry Number.