TCN238


Catalog No. Size PriceQuantity
M13314-2 2mg solid $105
M13314-10 10mg solid $315

Description

TCN238 is an orally bioavailable mGlu4 receptor positive allosteric modulator (PAM) with an EC50 of 1 μM.

Product information

CAS Number: 125404-04-8

Molecular Weight: 197.24

Formula: C12H11N3

Chemical Name: 4-[(E)-2-phenylethenyl]pyrimidin-2-amine

Smiles: NC1N=C(C=CN=1)/C=C/C1C=CC=CC=1

InChiKey: LNUXNUNUGIHCPA-VOTSOKGWSA-N

InChi: InChI=1S/C12H11N3/c13-12-14-9-8-11(15-12)7-6-10-4-2-1-3-5-10/h1-9H,(H2,13,14,15)/b7-6+

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : ≥ 150 mg/mL (760.49 mM).

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

In the rat mGlu4 PAM in vitro assay the EC50 of TCN238 (Compound 11) is 1 μM which is comparable to the human assay. TCN238 is screened in rat and human mGlu5 assays, the IC50 of 11 is >30 μM on human mGlu5and >10 μM on rat mGlu5. TCN238 is run in a receptor screening panel of 68 targets and no activity is observed at ≥50% at 10 μM for any of the receptors. In CaCo-2 cells, TCN238 is found to have good permeability with no apparent efflux issue.

In Vivo:

TCN238 is highly CNS penetrant with a concentration of 33.8 μM in the brain. The plasma protein binding in rats is measured as 90% bound. The metabolic stability of TCN238 is assessed in rat and human microsomes and found to be 62% and 83% hepatic blood flow. The limited stability translated into a high in vivo clearance in rats of 75 mL/min/kg and TCN238 has a moderate volume of distribution (2.7 L/kg) with a short mean residence time (0.6 h) when dosed at 2 mg/kg via intravenous injection. TCN238 is orally bioavailable and 30 min following administration of a30 mg/kg dose, the plasma concentration is found to be 11.6 μM. TCN 238 does not affect the performance of the learned task. However, the expression level of GRM4 in the hippocampus is reliable down-regulated five days after treatment with TCN 238. In addition, the expression level of GABRA1, encoding GABAA α-subunit is downregulated five days after the treatment in the frontal cortex.

References:

  1. East SP, et al. An orally bioavailable positive allosteric modulator of the mGlu4 receptor with efficacy in an animal model of motor dysfunction. Bioorg Med Chem Lett. 2010 Aug 15;20(16):4901-5.
  2. Pershina EV, et al. Subacute activation of mGlu4 receptors causes the feedback inhibition of its gene expression in rat brain. Life Sci. 2016 May 15;153:50-4.

Products are for research use only. Not for human use.

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