905101-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 905101-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,5,1,0 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 905101-11:
(8*9)+(7*0)+(6*5)+(5*1)+(4*0)+(3*1)+(2*1)+(1*1)=113
113 % 10 = 3
So 905101-11-3 is a valid CAS Registry Number.