5011-04-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5011-04-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,1 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5011-04:
(6*5)+(5*0)+(4*1)+(3*1)+(2*0)+(1*4)=41
41 % 10 = 1
So 5011-04-1 is a valid CAS Registry Number.