4053-68-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4053-68-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,5 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4053-68:
(6*4)+(5*0)+(4*5)+(3*3)+(2*6)+(1*8)=73
73 % 10 = 3
So 4053-68-3 is a valid CAS Registry Number.