1334478-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1334478-54-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,4,7 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1334478-54:
(9*1)+(8*3)+(7*3)+(6*4)+(5*4)+(4*7)+(3*8)+(2*5)+(1*4)=164
164 % 10 = 4
So 1334478-54-4 is a valid CAS Registry Number.