51004-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51004-16-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,0,0 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 51004-16:
(7*5)+(6*1)+(5*0)+(4*0)+(3*4)+(2*1)+(1*6)=61
61 % 10 = 1
So 51004-16-1 is a valid CAS Registry Number.