104116-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104116-26-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,1 and 6 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 104116-26:
(8*1)+(7*0)+(6*4)+(5*1)+(4*1)+(3*6)+(2*2)+(1*6)=69
69 % 10 = 9
So 104116-26-9 is a valid CAS Registry Number.