109128-08-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109128-08-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,1,2 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109128-08:
(8*1)+(7*0)+(6*9)+(5*1)+(4*2)+(3*8)+(2*0)+(1*8)=107
107 % 10 = 7
So 109128-08-7 is a valid CAS Registry Number.