109334-68-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109334-68-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,3,3 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109334-68:
(8*1)+(7*0)+(6*9)+(5*3)+(4*3)+(3*4)+(2*6)+(1*8)=121
121 % 10 = 1
So 109334-68-1 is a valid CAS Registry Number.