134458-62-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134458-62-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,5 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 134458-62:
(8*1)+(7*3)+(6*4)+(5*4)+(4*5)+(3*8)+(2*6)+(1*2)=131
131 % 10 = 1
So 134458-62-1 is a valid CAS Registry Number.