1334509-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1334509-43-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,5,0 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1334509-43:
(9*1)+(8*3)+(7*3)+(6*4)+(5*5)+(4*0)+(3*9)+(2*4)+(1*3)=141
141 % 10 = 1
So 1334509-43-1 is a valid CAS Registry Number.