69143-26-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69143-26-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,1,4 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 69143-26:
(7*6)+(6*9)+(5*1)+(4*4)+(3*3)+(2*2)+(1*6)=136
136 % 10 = 6
So 69143-26-6 is a valid CAS Registry Number.