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MedKoo CAT#: 564594


Description: NBTI-5463 is a bacterial type II topoisomerase inhibitor with activity against gram-negative bacteria and in vivo efficacy.

Price and Availability

Size Price Shipping out time Quantity
Inquire bulk and customized quantity

Pricing updated 2020-10-27. Prices are subject to change without notice.

NBTI-5463 is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to sales@medkoo.com to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 564594
Name: NBTI-5463
Chemical Formula: C25H30N6O4
Exact Mass: 478.2329
Molecular Weight: 478.55
Elemental Analysis: C, 62.75; H, 6.32; N, 17.56; O, 13.37

Synonym: NBTI5463; NBTI 5463; NBTI-5463

IUPAC/Chemical Name: 6-((((1R,4r)-4-((R)-1-Amino-2-(7-methoxy-2-oxo-1,5-naphthyridin-1(2H)-yl)ethyl)cyclohexyl)amino)methyl)-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one


InChi Code: InChI=1S/C25H30N6O4/c1-34-18-10-21-20(28-12-18)7-9-24(33)31(21)13-19(26)15-2-4-16(5-3-15)27-11-17-6-8-22-25(29-17)30-23(32)14-35-22/h6-10,12,15-16,19,27H,2-5,11,13-14,26H2,1H3,(H,29,30,32)/t15-,16-,19-/m0/s1

SMILES Code: O=C1NC2=NC(CN[C@H]3CC[C@H]([C@@H](N)CN4C(C=CC5=NC=C(OC)C=C45)=O)CC3)=CC=C2OC1

Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>3 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


1: Nayar AS, Dougherty TJ, Reck F, Thresher J, Gao N, Shapiro AB, Ehmann DE. Target-based resistance in Pseudomonas aeruginosa and Escherichia coli to NBTI 5463, a novel bacterial type II topoisomerase inhibitor. Antimicrob Agents Chemother. 2015 Jan;59(1):331-7. doi: 10.1128/AAC.04077-14. Epub 2014 Oct 27. PubMed PMID: 25348539; PubMed Central PMCID: PMC4291369.

2: Dougherty TJ, Nayar A, Newman JV, Hopkins S, Stone GG, Johnstone M, Shapiro AB, Cronin M, Reck F, Ehmann DE. NBTI 5463 is a novel bacterial type II topoisomerase inhibitor with activity against gram-negative bacteria and in vivo efficacy. Antimicrob Agents Chemother. 2014 May;58(5):2657-64. doi: 10.1128/AAC.02778-13. Epub 2014 Feb 24. Erratum in: Antimicrob Agents Chemother. 2014 Jul;58(7):4250. PubMed PMID: 24566174; PubMed Central PMCID: PMC3993248.