134458-55-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134458-55-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,5 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 134458-55:
(8*1)+(7*3)+(6*4)+(5*4)+(4*5)+(3*8)+(2*5)+(1*5)=132
132 % 10 = 2
So 134458-55-2 is a valid CAS Registry Number.