109284-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109284-32-4 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 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109284-32:
(8*1)+(7*0)+(6*9)+(5*2)+(4*8)+(3*4)+(2*3)+(1*2)=124
124 % 10 = 4
So 109284-32-4 is a valid CAS Registry Number.