1334173-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1334173-43-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,1,7 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1334173-43:
(9*1)+(8*3)+(7*3)+(6*4)+(5*1)+(4*7)+(3*3)+(2*4)+(1*3)=131
131 % 10 = 1
So 1334173-43-1 is a valid CAS Registry Number.