WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 463141

CAS#: 916214-57-8

Description: Salfaprodil, also known as NEU2000, is a novel NR2B-selective antagonist of N-methyl-D-aspartate (NMDA).

Chemical Structure

CAS# 916214-57-8

Theoretical Analysis

MedKoo Cat#: 463141
Name: Salfaprodil
CAS#: 916214-57-8
Chemical Formula: C15H7F7KNO3
Exact Mass: 421.00
Molecular Weight: 421.312
Elemental Analysis: C, 42.76; H, 1.67; F, 31.57; K, 9.28; N, 3.32; O, 11.39

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Salfaprodil; NEU2000; NEU 2000; NEU-2000;

IUPAC/Chemical Name: potassium 2-hydroxy-5-((2,3,5,6-tetrafluoro-4-(trifluoromethyl)benzyl)amino)benzoate


InChi Code: InChI=1S/C15H8F7NO3.K/c16-10-7(11(17)13(19)9(12(10)18)15(20,21)22)4-23-5-1-2-8(24)6(3-5)14(25)26;/h1-3,23-24H,4H2,(H,25,26);/q;+1/p-1

SMILES Code: FC1=C(F)C(C(F)(F)F)=C(F)C(F)=C1CNC2=CC(C(O[K])=O)=C(O)C=C2

Appearance: Solid powder

Purity: >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).

Solubility: 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: 2934.99.9001

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 421.31 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol:
In vitro protocol:
In vivo protocol:

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1: Hong JM, Choi MH, Sohn SI, Hwang YH, Ahn SH, Lee YB, Shin DI, Chamorro Á, Choi DW; on the behalf of the SONIC investigators. Safety and Optimal Neuroprotection of neu2000 in acute Ischemic stroke with reCanalization: study protocol for a randomized, double-blinded, placebo-controlled, phase-II trial. Trials. 2018 Jul 13;19(1):375. doi: 10.1186/s13063-018-2746-9. PMID: 30005644; PMCID: PMC6045859.

2: Noh J, Koh YH, Chung JM. Attenuated effects of Neu2000 on hypoxia-induced synaptic activities in a rat hippocampus. Arch Pharm Res. 2014 Feb;37(2):232-8. doi: 10.1007/s12272-013-0170-y. Epub 2013 Jun 4. PMID: 23733585.

3: Noh J, Chung JM. Neu2000 potentiates a kainate response in mouse cortical neurons. J Pharmacol Sci. 2013;122(2):149-52. doi: 10.1254/jphs.13023sc. Epub 2013 May 23. PMID: 23698159.

4: Visavadiya NP, McEwen ML, Pandya JD, Sullivan PG, Gwag BJ, Springer JE. Antioxidant properties of Neu2000 on mitochondrial free radicals and oxidative damage. Toxicol In Vitro. 2013 Mar;27(2):788-97. doi: 10.1016/j.tiv.2012.12.011. Epub 2012 Dec 23. PMID: 23268106.

5: Won SM, Lee JH, Park UJ, Gwag J, Gwag BJ, Lee YB. Iron mediates endothelial cell damage and blood-brain barrier opening in the hippocampus after transient forebrain ischemia in rats. Exp Mol Med. 2011 Feb 28;43(2):121-8. doi: 10.3858/emm.2011.43.2.020. PMID: 21278483; PMCID: PMC3047193.

6: Cho SI, Park UJ, Chung JM, Gwag BJ. Neu2000, an NR2B-selective, moderate NMDA receptor antagonist and potent spin trapping molecule for stroke. Drug News Perspect. 2010 Nov;23(9):549-56. doi: 10.1358/dnp.2010.23.9.1513493. PMID: 21152450.

7: Park UJ, Lee YA, Won SM, Lee JH, Kang SH, Springer JE, Lee YB, Gwag BJ. Blood-derived iron mediates free radical production and neuronal death in the hippocampal CA1 area following transient forebrain ischemia in rat. Acta Neuropathol. 2011 Apr;121(4):459-73. doi: 10.1007/s00401-010-0785-8. Epub 2010 Dec 1. PMID: 21120509.

8: Springer JE, Rao RR, Lim HR, Cho SI, Moon GJ, Lee HY, Park EJ, Noh JS, Gwag BJ. The functional and neuroprotective actions of Neu2000, a dual-acting pharmacological agent, in the treatment of acute spinal cord injury. J Neurotrauma. 2010 Jan;27(1):139-49. doi: 10.1089/neu.2009.0952. Erratum in: J Neurotrauma. 2010 Mar;27(3):653. PMID: 19772458; PMCID: PMC3525902.

9: Noh J, Lee ES, Chung JM. The novel NMDA receptor antagonist, 2-hydroxy-5-(2,3,5,6-tetrafluoro-4-trifluoromethyl-benzylamino)-benzoic acid, is a gating modifier in cultured mouse cortical neurons. J Neurochem. 2009 Jun;109(5):1261-71. doi: 10.1111/j.1471-4159.2009.06044.x. Epub 2009 Mar 19. PMID: 19302475.

10: Gwag BJ, Lee YA, Ko SY, Lee MJ, Im DS, Yun BS, Lim HR, Park SM, Byun HY, Son SJ, Kwon HJ, Lee JY, Cho JY, Won SJ, Kim KW, Ahn YM, Moon HS, Lee HU, Yoon SH, Noh JH, Chung JM, Cho SI. Marked prevention of ischemic brain injury by Neu2000, an NMDA antagonist and antioxidant derived from aspirin and sulfasalazine. J Cereb Blood Flow Metab. 2007 Jun;27(6):1142-51. doi: 10.1038/sj.jcbfm.9600418. Epub 2006 Nov 15. PMID: 17106444.

11: Shin JH, Cho SI, Lim HR, Lee JK, Lee YA, Noh JS, Joo IS, Kim KW, Gwag BJ. Concurrent administration of Neu2000 and lithium produces marked improvement of motor neuron survival, motor function, and mortality in a mouse model of amyotrophic lateral sclerosis. Mol Pharmacol. 2007 Apr;71(4):965-75. doi: 10.1124/mol.106.030676. Epub 2006 Nov 14. PMID: 17105868.