51434-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51434-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,3 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 51434-20:
(7*5)+(6*1)+(5*4)+(4*3)+(3*4)+(2*2)+(1*0)=89
89 % 10 = 9
So 51434-20-9 is a valid CAS Registry Number.