109933-38-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109933-38-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,3 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109933-38:
(8*1)+(7*0)+(6*9)+(5*9)+(4*3)+(3*3)+(2*3)+(1*8)=142
142 % 10 = 2
So 109933-38-2 is a valid CAS Registry Number.