109181-38-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109181-38-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,1,8 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109181-38:
(8*1)+(7*0)+(6*9)+(5*1)+(4*8)+(3*1)+(2*3)+(1*8)=116
116 % 10 = 6
So 109181-38-6 is a valid CAS Registry Number.