905281-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 905281-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,5,2,8 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 905281-89:
(8*9)+(7*0)+(6*5)+(5*2)+(4*8)+(3*1)+(2*8)+(1*9)=172
172 % 10 = 2
So 905281-89-2 is a valid CAS Registry Number.