920128-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 920128-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,1,2 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 920128-57:
(8*9)+(7*2)+(6*0)+(5*1)+(4*2)+(3*8)+(2*5)+(1*7)=140
140 % 10 = 0
So 920128-57-0 is a valid CAS Registry Number.