420-96-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 420-96-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 420-96:
(5*4)+(4*2)+(3*0)+(2*9)+(1*6)=52
52 % 10 = 2
So 420-96-2 is a valid CAS Registry Number.