51874-42-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51874-42-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,8,7 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51874-42:
(7*5)+(6*1)+(5*8)+(4*7)+(3*4)+(2*4)+(1*2)=131
131 % 10 = 1
So 51874-42-1 is a valid CAS Registry Number.