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DL-AP4, also known as 2-Amino-4-phosphonobutyric acid, is a competitive glutamate antagonist with defined binding affinity that is widely used to selectively inhibit glutamatergic neurotransmission, making it an essential experimental compound for probing synaptic signaling mechanisms and functional circuitry in central nervous system and visual system research.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 10 mg | $30 | - | In Stock | |
| 25 mg | $44 | - | In Stock | |
| 50 mg | $74 | - | In Stock |
| Description | DL-AP4, also known as 2-Amino-4-phosphonobutyric acid, is a competitive glutamate antagonist with defined binding affinity that is widely used to selectively inhibit glutamatergic neurotransmission, making it an essential experimental compound for probing synaptic signaling mechanisms and functional circuitry in central nervous system and visual system research. |
| In vitro | In rat hippocampal slices, DL-AP4 antagonized excitatory synaptic transmission with a Kd of 2.5 μM. Additionally, in vertebrate vision studies, DL-AP4 (50 μM) was used to isolate the OFF-pathway by blocking the ON-pathway light response via mGluR6 activation [1]. |
| Synonyms | DL AP4, 2-Amino-4-phosphonobutyric acid |
| Molecular Weight | 183.1 |
| Formula | C4H10NO5P |
| Cas No. | 6323-99-5 |
| Smiles | O=C(O)C(N)CCP(=O)(O)O |
| Storage | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||
| Solubility Information | H2O: 4 mg/mL (21.85 mM), Sonication is recommended. | |||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||
H2O
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Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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