- BMS-663068
- BMS-378806
| NBD-556HIV-1 entry inhibitor,CD4 mimetic,block gp120-CD4 interaction |

Sample solution is provided at 25 µL, 10mM.
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Cell Stem Cell.2017 Nov 20. pii: S1934-5909(17)30375-2.Quality Control & MSDS
- View current batch:
- Purity = 98.00%
- COA (Certificate Of Analysis)
- MSDS (Material Safety Data Sheet)
- Datasheet
Chemical structure

| Description | NBD-556, a small molecule mimetic of CD4, is a novel inhibitor of human immunodeficiency virus type 1 (HIV-1). | |||||
| Targets | HIV-1 | |||||
| IC50 | ||||||

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| Cas No. | 333353-44-9 | SDF | Download SDF |
| Synonyms | NBD 556;NBD556 | ||
| Chemical Name | N"-(4-chlorophenyl)-N-(2,2,6,6-tetramethylpiperidin-4-yl)oxamide | ||
| Canonical SMILES | CC1(CC(CC(N1)(C)C)NC(=O)C(=O)NC2=CC=C(C=C2)Cl)C | ||
| Formula | C17H24ClN3O2 | M.Wt | 337.84 |
| Solubility | Soluble in DMSO | Storage | Store at -20°C |
| Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. | ||
IC50: NBD-556 inhibited cell–cell fusion between H9/HIV-1IIIB and MT-2 (IC50 ~3 μM)
The entry of HIV-1 into host cells is mediated by the binding of the surface subunit gp120 to the host cell receptor CD4. NBD-556 is a novel class of human immunodeficiency virus type 1 (HIV-1) entry inhibitor that block the gp120–CD4 interaction with drug-like properties.
In vitro: A systematic study showed that NBD-556 and NBD-557 target viral entry by inhibiting the binding of HIV-1 envelope glycoprotein gp120 to the cellular receptor CD4 but did not inhibit reverse transcriptase, protease, or integrase, demonstrating that they do not target the later stages of the HIV-1 life cycle to inhibit HIV-1 infection. NBD-556 and NBD-557 were also active against HIV-1 laboratory-adapted strains including an AZT-resistant strain and HIV-1 primary isolates, showing that these compounds can potentially be further modified to become potent HIV-1 entry inhibitors [1].
In vivo: No animal in-vivo data available currently.
Clinical trial: No clinical data are available.
Reference:[1] Zhao, Q., L. Ma, S. Jiang, H. Lu, S. Liu, Y. He, N. Strick, N. Neamati, and A. K. Debnath. 2005. Identification of N-phenyl-N′-(2,2,6,6-tetramethyl-piperidin-4-yl)-oxalamides as a new class of HIV-1 entry inhibitors that prevent gp120 binding to CD4. Virology 339:213-225.


