54-87-5 Usage
Brand name
Ivadantin (Procter & Gamble).
Check Digit Verification of cas no
The CAS Registry Mumber 54-87-5 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54-87:
(4*5)+(3*4)+(2*8)+(1*7)=55
55 % 10 = 5
So 54-87-5 is a valid CAS Registry Number.
InChI:InChI=1/C8H6N4O5.Na/c13-6-4-11(8(14)10-6)9-3-5-1-2-7(17-5)12(15)16;/h1-3H,4H2,(H,10,13,14);/q;+1/b9-3+;