L Moses dihydrochloride

Pricing Availability Delivery Time Qty
Cat.No. 6251 - L Moses dihydrochloride | C21H24N6.2HCl
Description: High affinity and selective PCAF bromodomain inhibitor
Chemical Name: (1S, 2S)-N1,N1-Dimethyl-N2-(3-methyl-1,2,4-triazolo[3,4-a]phthalazin-6-yl)-1-phenylpropane-1,2-diamine dihydrochloride
Purity: ≥98% (HPLC)

Biological Activity

High affinity and selective cell-permeable p300/CBP-associated factor (PCAF) inhibitor (Ki = 47 nM). Exhibits no significant activity against a panel of 48 other bromodomains except GCN5 (Kd = 600 nM). Exhibits >4500-fold selectivity for PCAF over BRD4. Also exhibits metabolic stability in mouse and human liver microsomes and no observable cytotoxicity in peripheral blood mononuclear cells (PBMC).

Licensing Information

This compound is supplied in conjunction with the Structural Genomics Consortium. For further characterization details, please visit the L-Moses probe summary on the SGC website.

External Portal Information

Chemicalprobes.org is a portal that offers independent guidance on the selection and/or application of small molecules for research. The use of L-Moses is reviewed on the chemical probes website.

Technical Data

M. Wt 433.38
Formula C21H24N6.2HCl
Storage Desiccate at RT
Purity ≥98% (HPLC)
Smiles C[C@@H]([C@H](C1=CC=CC=C1)N(C)C)NC2=NN3C(C)=NN=C3C4=CC=CC=C24

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

SolubilitySoluble to 100 mM in water and to 100 mM in DMSO

Preparing Stock Solutions

The following data is based on the product molecular weight 433.38. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 2.31 mL 11.54 mL 23.07 mL
5 mM 0.46 mL 2.31 mL 4.61 mL
10 mM 0.23 mL 1.15 mL 2.31 mL
50 mM 0.05 mL 0.23 mL 0.46 mL

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Product Datasheets

Safety Datasheet


References are publications that support the products' biological activity.

Moustakim et al (2017) Discovery of a PCAF bromodomain chemical probe. Angew.Chem.Int.Ed. 56 827 PMID: 27966810

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Keywords: L Moses dihydrochloride, supplier, PCAF, p300/CBP-associated, factor, GCN5, general, control, non-derepressible, 5, inhibitors, inhibits, high, affinity, selective, cell-permeable, 2079885-05-3, Bromodomains, Bromodomains, Tocris Bioscience

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Literature in this Area

Tocris offers the following scientific literature in this area to showcase our products. We invite you to request* or download your copy today!

*Please note that Tocris will only send literature to established scientific business / institute addresses.


Cancer Research Product Guide

A collection of over 750 products for cancer research, the guide includes research tools for the study of:

  • Cancer Metabolism
  • Epigenetics in Cancer
  • Receptor Signaling
  • Cell Cycle and DNA Damage Repair
  • Angiogenesis
  • Invasion and Metastasis

Epigenetics Scientific Review

Written by Susanne Müller-Knapp and Peter J. Brown, this review gives an overview of the development of chemical probes for epigenetic targets, as well as the impact of these tool compounds being made available to the scientific community. In addition, their biological effects are also discussed. Epigenetic compounds available from Tocris are listed.


Epigenetics Research Bulletin

Produced by Tocris and updated in 2014, the epigenetics research bulletin gives an introduction into mechanisms of epigenetic regulation, and highlights key Tocris products for epigenetics targets including:

  • Bromodomains
  • DNA Methyltransferases
  • Histone Deacetylases
  • Histone Demethylases
  • Histone Methyltransferases
Cell Cycle & DNA Damage Repair

Cell Cycle & DNA Damage Repair Poster

In normal cells, each stage of the cell cycle is tightly regulated, however in cancer cells many genes and proteins that are involved in the regulation of the cell cycle are mutated or over expressed. Adapted from the 2015 Cancer Product Guide, Edition 3, this poster summarizes the stages of the cell cycle and DNA repair. It also highlights strategies for enhancing replicative stress in cancer cells to force mitotic catastrophe and cell death.