Home Neuronal Signaling NMDAR antagonist Ifenprodil Tartrate For research use only.

Ifenprodil Tartrate

Ifenprodil is an atypical noncompetitive antagonist at the NMDA receptor, it interacts with high affinity at a homogeneous population of NMDA receptors in neonatal rat forebrain with IC50 of 0.3 μM.

Ifenprodil Tartrate Chemical Structure

Ifenprodil Tartrate Chemical Structure

CAS: 23210-58-4

Selleck's Ifenprodil Tartrate has been cited by 4 Publications

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Purity & Quality Control

Batch: Purity: 99.99%
99.99

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Biological Activity

Description Ifenprodil is an atypical noncompetitive antagonist at the NMDA receptor, it interacts with high affinity at a homogeneous population of NMDA receptors in neonatal rat forebrain with IC50 of 0.3 μM.
Targets
NMDA Receptor [1]
0.3 μM
In vitro
In vitro Ifenprodil inhibits NMDA-induced currents at NR1A/NR2B and NR1A/NR2A receptors with IC50 of 0.34 μM and 146 μM in oocytes voltage-clamped at -70 mV. Ifenprodil may act as a weak open-channel blocker of NR1A/NR2A receptors, the degree of inhibition seen with 100 μM Ifenprodil at NR1A/NR2A receptors is not altered by changes in the concentration of extracellular glycine. The inhibitory effect of 1 mM Ifenprodil at NR1A/NR2B receptors is reduced by increasing the concentration of glycine. [1] Ifenprodil (10 μM) inhibits virtually all of the NMDA receptor-evoked current in very young rat cortical neurons that contain a single population of receptors exhibiting a high affinity for glycine. Ifenprodil (10 μM) inhibits both the high-affinity population and a significant proportion of the low-affinity component in older rat cortical neurons, thus revealing three pharmacologically distinct populations of NMDA receptors in single neurons. [2] Ifenprodil antagonizes NMDA receptors in an activity-dependent manner, whilst also increasing the receptor affinity for glutamate recognition-site agonists. Ifenprodil inhibition curves against 10 μM and 100 μM NMDA-evoked currents yielded IC50 values of 0.88 μM and 0.17 μM, respectively. Ifenprodil (3 μM) potentiates to approximately 200% of control levels in rat cultured cortical neurones. Ifenprodil exhibits a 39- and 50-fold higher affinity for the agonist-bound activated and desensitized states of the NMDA receptor, respectively, relative to the resting, agonist-unbound state. Ifenprodil binding to the NMDA receptor results in a 6-fold higher affinity for glutamate site agonists. [3]

Chemical Information & Solubility

Molecular Weight 800.98 Formula

2(C21H27NO2).C4H6O6
CAS No. 23210-58-4 SDF Download Ifenprodil Tartrate SDF
Smiles CC(C(C1=CC=C(C=C1)O)O)N2CCC(CC2)CC3=CC=CC=C3.CC(C(C1=CC=C(C=C1)O)O)N2CCC(CC2)CC3=CC=CC=C3.C(C(C(=O)O)O)(C(=O)O)O
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 100 mg/mL ( (124.84 mM)； Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 50 mg/mL

Water : 8 mg/mL


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In vivo
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