20480-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20480-42-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,8 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20480-42:
(7*2)+(6*0)+(5*4)+(4*8)+(3*0)+(2*4)+(1*2)=76
76 % 10 = 6
So 20480-42-6 is a valid CAS Registry Number.