542-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 542-48-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,4 and 2 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 542-48:
(5*5)+(4*4)+(3*2)+(2*4)+(1*8)=63
63 % 10 = 3
So 542-48-3 is a valid CAS Registry Number.