554-87-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 554-87-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,5 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 554-87:
(5*5)+(4*5)+(3*4)+(2*8)+(1*7)=80
80 % 10 = 0
So 554-87-0 is a valid CAS Registry Number.