134145-78-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134145-78-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,1,4 and 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 134145-78:
(8*1)+(7*3)+(6*4)+(5*1)+(4*4)+(3*5)+(2*7)+(1*8)=111
111 % 10 = 1
So 134145-78-1 is a valid CAS Registry Number.