109285-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109285-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,8 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109285-58:
(8*1)+(7*0)+(6*9)+(5*2)+(4*8)+(3*5)+(2*5)+(1*8)=137
137 % 10 = 7
So 109285-58-7 is a valid CAS Registry Number.