57124-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57124-42-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,1,2 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 57124-42:
(7*5)+(6*7)+(5*1)+(4*2)+(3*4)+(2*4)+(1*2)=112
112 % 10 = 2
So 57124-42-2 is a valid CAS Registry Number.