51452-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51452-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,5 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51452-81:
(7*5)+(6*1)+(5*4)+(4*5)+(3*2)+(2*8)+(1*1)=104
104 % 10 = 4
So 51452-81-4 is a valid CAS Registry Number.