1334123-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1334123-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,1,2 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1334123-89:
(9*1)+(8*3)+(7*3)+(6*4)+(5*1)+(4*2)+(3*3)+(2*8)+(1*9)=125
125 % 10 = 5
So 1334123-89-5 is a valid CAS Registry Number.