D-AP5
Tocris Bioscience | Catalog # 0106
Key Product Details
Description
Alternative Names
Product Description
D-AP5 is a selective NMDA receptor antagonist that competes with glutamate binding and is commonly used to inhibit NMDA-dependent synaptic plasticity. D-AP5 is the more active isomer of DL-AP5 (Cat. No. 0105) and displays approximately 52-fold higher potency than the L-isomer, L-AP5 (Cat. No. 0107). In vitro D-AP5 reduces NMDA-induced depolarization of cortical neurons, with no effect on the response to L-Quisqualic acid (Cat. No. 0188) or Kainic acid (Cat. No. 0222). Following spinal injection, D-AP5 results in rapid reduction of NMDA-response but no effect on spontaneously active neurons.
DL Mixture, L-isomer and sodium salt also available.
Product Specifications for D-AP5
Molecular Weight
Formula
Storage
Purity
Chemical Name
CAS Number
PubChem ID
InChI Key
SMILES
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Solubility
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| water | 19.71 | 100 |
Preparing Stock Solutions for D-AP5
The following data is based on the product molecular weight 197.13.
Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which all affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 5.07 mL | 25.36 mL | 50.73 mL |
| 5 mM | 1.01 mL | 5.07 mL | 10.15 mL |
| 10 mM | 0.51 mL | 2.54 mL | 5.07 mL |
| 50 mM | 0.10 mL | 0.51 mL | 1.01 mL |
Calculators
Background References
References are publications that support the biological activity of the product. See our Citations tab to view 1602 publications citing the usage of this product.
- Lodge A comparison between the in vivo and in vitro activity of five potent and competitive NMDA antagonists. Br.J.Pharmacol. 1988 PMID: 2905186
- Evans The effect of a series of ω-phosphonic-α-carboxylic amino acids on electrically evoked and amino acid induced responses in isolated spinal cord preparations. Br.J.Pharmacol. 1982 PMID: 7042024
- Schulte Utilization of the resolved L-isomer fo 2-amino-6-phosphonohexanoic acid (L-AP6) as a selective agonist for a quisqualate-sensitized site in hippocampal CA1 pyramidal neurons. Brain Res. 1994 PMID: 7953634
- Davies and Watkins Actions of D and L forms of 2-amino-5-phosphonovalerate and 2-amino-4-phosphonobutyrate in the cat spinal cord. Brain Res. 1982 PMID: 6145492
Product Documents for D-AP5
Certificate of Analysis
To download a Certificate of Analysis, please enter a lot or batch number in the search box below.
Product Specific Notices for D-AP5
For research use only
Related Research Areas
Citations for D-AP5
Customer Reviews for D-AP5 (8)
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Species: RatAssay Type: In VitroCell Line/Tissue: NeuronsVerified Customer | Posted 09/11/2025Incubate overnight50 micromolar APV treated overnight on neuronal cultures rescued glutamate toxicity.
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Species: MouseAssay Type: In VitroCell Line/Tissue: Mixed neuron-gliaVerified Customer | Posted 07/12/2020Incubate for 24hD-AP5 (100 μM)
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Species: RatAssay Type: In VitroCell Line/Tissue: Sprague-Dawley rats primary neuronalVerified Customer | Posted 04/04/202010 μM for 2 h
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Species: MouseAssay Type: In VivoVerified Customer | Posted 02/03/202010uM D-AP5
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Species: MouseAssay Type: In VivoVerified Customer | Posted 05/14/2019We delivered this drug intracranially in combination with DNQX to block glutamatergic transmission in the mouse VTA. Product was highly soluble and worked well and as described, producing a robust decrease in place preference behavior.
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Species: MouseCell Line/Tissue: LungVerified Customer | Posted 01/04/2018Good reproducibility
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Species: RatAssay Type: In VivoVerified Customer | Posted 01/04/2018in in-vivo studies
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Assay Type: In VivoVerified Customer | Posted 07/17/2017NMDA antagonist
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