5030-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5030-45-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,3 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5030-45:
(6*5)+(5*0)+(4*3)+(3*0)+(2*4)+(1*5)=55
55 % 10 = 5
So 5030-45-5 is a valid CAS Registry Number.