109342-07-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109342-07-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,3,4 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109342-07:
(8*1)+(7*0)+(6*9)+(5*3)+(4*4)+(3*2)+(2*0)+(1*7)=106
106 % 10 = 6
So 109342-07-6 is a valid CAS Registry Number.