20048-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20048-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,4 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20048-09:
(7*2)+(6*0)+(5*0)+(4*4)+(3*8)+(2*0)+(1*9)=63
63 % 10 = 3
So 20048-09-3 is a valid CAS Registry Number.