51784-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51784-42-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,7,8 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51784-42:
(7*5)+(6*1)+(5*7)+(4*8)+(3*4)+(2*4)+(1*2)=130
130 % 10 = 0
So 51784-42-0 is a valid CAS Registry Number.