4093-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4093-54-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,9 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4093-54:
(6*4)+(5*0)+(4*9)+(3*3)+(2*5)+(1*4)=83
83 % 10 = 3
So 4093-54-3 is a valid CAS Registry Number.