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3-Aminopropylphosphonic Acid

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Catalog No. T38205Cas No. 13138-33-5

3-aminopropylphosphonic acid (3-APPA) is a phosphonic analog of GABA that acts as a partial agonist of GABAB receptors (IC50 = 1.5 μM in a radioligand binding assay).

3-Aminopropylphosphonic Acid

3-Aminopropylphosphonic Acid

🥰Excellent
Purity: 98.9%
Catalog No. T38205Cas No. 13138-33-5
3-aminopropylphosphonic acid (3-APPA) is a phosphonic analog of GABA that acts as a partial agonist of GABAB receptors (IC50 = 1.5 μM in a radioligand binding assay).
Pack SizePriceAvailabilityQuantity
10 mg$34In Stock
25 mg$54In Stock
50 mg$77In Stock
100 mg$118In Stock
200 mg$175In Stock
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Purity:98.9%
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Product Introduction

Bioactivity
Description
3-aminopropylphosphonic acid (3-APPA) is a phosphonic analog of GABA that acts as a partial agonist of GABAB receptors (IC50 = 1.5 μM in a radioligand binding assay).
In vitro
3-aminopropylphosphonic acid (IC50 1.5 microM) and 4-aminobutyl-phosphonic acid (IC50 3.9 μM) were much more potent than anticipated from their relatively weak GABAB antagonist actions [1]. 3-aminopropylphosphonic acid was a potent inhibitor (IC50 6μM) of the binding of [3H]GABA to rat brain membranes under GABAB conditions, i.e. in the presence of 0.1 mM isoguvacine and displaceable by 0.1 mM (+)-baclofen [1].
In vivo
3-aminopropylphosphonic acid induces relaxation in unstimulated isolated guinea pig ileum longitudinal muscle and reverses GABA- and baclofen-induced inhibition of twitch responses in isolated guinea pig ileum longitudinal muscle. 3-APPA (5 mg/kg) completely inhibits GABA- and baclofen-induced inhibition of vagally stimulated bronchospasms in guinea pigs. It also reverses the antitussive effect of baclofen in cats when administered at a dose of 3 mg/kg.
Chemical Properties
Molecular Weight139.09
FormulaC3H10NO3P
Cas No.13138-33-5
SmilesNCCCP(O)(O)=O
Relative Density.1.378 g/cm3 (Predicted)
Storage & Solubility Information
StoragePowder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.
Solubility Information
Ethanol:PBS (pH 7.2) (1:3): 0.25 mg/mL
DMF: 5 mg/mL
DMSO: < 1 mg/mL (insoluble)
Ethanol: 30 mg/mL

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