109345-48-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109345-48-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,3,4 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109345-48:
(8*1)+(7*0)+(6*9)+(5*3)+(4*4)+(3*5)+(2*4)+(1*8)=124
124 % 10 = 4
So 109345-48-4 is a valid CAS Registry Number.