54034-87-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54034-87-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,0,3 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54034-87:
(7*5)+(6*4)+(5*0)+(4*3)+(3*4)+(2*8)+(1*7)=106
106 % 10 = 6
So 54034-87-6 is a valid CAS Registry Number.