LDC4297

LDC4297 is a potent and selective CDK7 inhibitor with an IC50 of 0.13 nM.

Product information

CAS Number: 1453834-21-3

Molecular Weight: 432.52

Formula: C23H28N8O

Chemical Name: 2-(piperidin-3-yloxy)-8-(propan-2-yl)-N-{[2-(1H-pyrazol-1-yl)phenyl]methyl}pyrazolo[1,5-a][1,3,5]triazin-4-amine

Smiles: CC(C)C1C=NN2C=1N=C(N=C2NCC1=CC=CC=C1N1C=CC=N1)OC1CNCCC1

InChiKey: LSGRZENCFIIHNV-UHFFFAOYSA-N

InChi: InChI=1S/C23H28N8O/c1-16(2)19-15-27-31-21(19)28-23(32-18-8-5-10-24-14-18)29-22(31)25-13-17-7-3-4-9-20(17)30-12-6-11-26-30/h3-4,6-7,9,11-12,15-16,18,24H,5,8,10,13-14H2,1-2H3,(H,25,28,29)

Technical Data

Appearance: Solid Power

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

Solubility: DMSO : ≥ 60 mg/mL (138.72 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:

The affinity of LDC4297 for CDK7 proves to be extremely high. Kinase assays performed for CDK1, CDK2, CDK4, CDK6, CDK7, and CDK9 confirms the selective inhibitory activity of LDC4297 for CDK7 in the nano-picomolar range (IC50, 0.13±0.06 nM for CDK7 versus IC50s between 10 nM and 10,000 nM for all other analyzed CDKs). LDC4297 exerts anticytomegaloviral activity. Human cytomegalovirus (HCMV) replication is inhibited by LDC4297 in a concentration-dependent manner with an EC50 value of 24.5±1.3 nM. Inhibition is statistically significant and morphological signs of cytotoxicity only occurrs at concentrations of 3.3 μM or higher. Anti-HCMV activity of LDC4297 is exerted through a multifaceted mode of action that involves an interference with virus-induced Rb phosphorylation. Virus replication is broadly blocked by LDC4297, whereby the antiviral efficacies varied between the viruses used, i.e., strong efficacy for HSV-1 and VZV (EC50s = 0.02 and 0.06 μM, respectively) and intermediate to low efficacy for HSV-2 and EBV (EC50s = 0.27 and 1.21 μM, respectively.

In Vivo:

An analysis of the PK parameters in CD1 mice reveals positive characteristics after oral administration, as demonstrated for a single-dose treatment (100 mg/kg of LDC4297). The half-life (t1/2z) is determined to be 1.6 h, and a time (Tmax) to a mean peak plasma concentration of 1,297.6 ng/mL is reached 0.5 h after administration, with a continued presence of LDC4297 plasma levels for at least 8 h and a bioavailability of 97.7%.

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