4920-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4920-48-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,2 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4920-48:
(6*4)+(5*9)+(4*2)+(3*0)+(2*4)+(1*8)=93
93 % 10 = 3
So 4920-48-3 is a valid CAS Registry Number.