54402-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54402-15-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,4,0 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54402-15:
(7*5)+(6*4)+(5*4)+(4*0)+(3*2)+(2*1)+(1*5)=92
92 % 10 = 2
So 54402-15-2 is a valid CAS Registry Number.