3406-89-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3406-89-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,0 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3406-89:
(6*3)+(5*4)+(4*0)+(3*6)+(2*8)+(1*9)=81
81 % 10 = 1
So 3406-89-1 is a valid CAS Registry Number.