Catalog No. size PriceQuantity
M6555-2 2mg solid $80
M6555-10 10mg solid $312



Product Information:

MGCD-0103 is a rationally designed, orally available, Class 1-selective, small molecule, 2-aminobenzamide HDAC inhibitor with potential antineoplastic activity. Mocetinostat binds to and inhibits Class 1 isoforms of HDAC, specifically HDAC 1, 2 and 3, which may result in epigenetic changes in tumor cells and so tumor cell death; although the exact mechanism has yet to be defined, tumor cell death may occur through the induction of apoptosis, differentiation, cell cycle arrest, inhibition of DNA repair, upregulation of tumor suppressors, down regulation of growth factors, oxidative stress, and autophagy, among others.


Chemical Formula: C23H20N6O


Exact Mass: 396.16986


Molecular Weight: 396.44


Elemental Analysis: C, 69.68; H, 5.08; N, 21.20; O, 4.04





MGCD 0103




Chemical Name: N-(2-aminophenyl)-4-[(4-pyridin-3-ylpyrimidin-2-ylamino)methyl]benzamide


InChi Key: 



InChi Code: InChI=1S/C23H20N6O/c24-19-5-1-2-6-21(19)28-22(30)17-9-7-16(8-10-17)14-27-23-26-13-11-20(29-23)18-4-3-12-25-15-18/h1-13,15H,14,24H2,(H,28,30)(H,26,27,29)


Smiles Code:




Technical Data:


Appearance: White to off-white solid powder

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

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO, DMF, and 1:1 DMF:PBS

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001


In Vitro

Mocetinostat is a potent, orally active and isotype-selective HDAC (Class I/IV) inhibitor with IC50s of 0.15, 0.29, 1.66 and 0.59 μM for HDAC1, HDAC2, HDAC3 and HDAC11, respectively. Mocetinostat shows no inhibition on HDAC4, HDAC5, HDAC6, HDAC7, or HDAC8. Mocetinostat (MGCD0103) exhibits potent and selective antiproliferative activities against a broad spectrum of human cancer cell lines in vitro, and HDAC inhibitory activity is required for these effects. In all cell lines tested, Mocetinostat (MGCD0103) partially inhibits cellular HDAC enzyme activity although the maximal inhibition of activity varies among cell lines from 75% to 85% of total activity. The IC50 of Mocetinostat in intact cancer cells is independent of tissue origin. In A549 cells, MGCD0103 shows dose-dependent inhibition of HDAC activity in whole cells. At high concentrations in A549 cells, Mocetinostat inhibits a maximum of 80% of total activity. In HCT116 cells, Mocetinostat induces a significant S-phase depletion and both G1 and G2-M accumulation.


In Vivo

Mocetinostat (MGCD0103) significantly inhibits growth of human tumor xenografts in nude mice in a dose-dependent manner and the antitumor activity correlated with induction of histone acetylation in tumors. The p.o. administration of Mocetinostat (MGCD0103) (2HBr salt) significantly reduces growth of implanted advanced A549 tumors in nude mice in a dose-dependent manner after 13 days of daily administration. Mocetinostat (170 mg/kg for 2HBr salt, corresponding to 120 mg/kg of free base) significantly blocks growth of tumors compared with vehicle treatment alone (P<0.05 in post-ANOVA Dunnett's test) with no change in body weight.





  1. Boumber Y, Younes A, Garcia-Manero G. Mocetinostat (MGCD0103): a review of an isotype-specific histone deacetylase inhibitor. Expert Opin Investig Drugs. 2011 Jun;20(6):823-9. doi: 10.1517/13543784.2011.577737. Epub 2011 May 10. Review. PubMed PMID: 21554162.


  1. Sung V, Richard N, Brady H, Maier A, Kelter G, Heise C. Histone deacetylase inhibitor MGCD0103 synergizes with gemcitabine in human pancreatic cells. Cancer Sci. 2011 Jun;102(6):1201-7. doi: 10.1111/j.1349-7006.2011.01921.x. Epub 2011 Apr 18. PubMed PMID: 21375679.


  1. Sikandar S, Dizon D, Shen X, Li Z, Besterman J, Lipkin SM. The class I HDAC inhibitor MGCD0103 induces cell cycle arrest and apoptosis in colon cancer initiating cells by upregulating Dickkopf-1 and non-canonical Wnt signaling. Oncotarget. 2010 Nov;1(7):596-605. PubMed PMID: 21317455; PubMed Central PMCID: PMC3093052.


  1. Moreno-Bost A, Szmania S, Stone K, Garg T, Hoerring A, Szymonifka J, Shaughnessy J Jr, Barlogie B, Prentice HG, van Rhee F. Epigenetic modulation of MAGE-A3 antigen expression in multiple myeloma following treatment with the demethylation agent 5-azacitidine and the histone deacetlyase inhibitor MGCD0103. Cytotherapy. 2011 May;13(5):618-28. doi: 10.3109/14653249.2010.529893. Epub 2010 Dec 20. PubMed PMID: 21171821; PubMed Central PMCID: PMC3633222.


  1. Buglio D, Mamidipudi V, Khaskhely NM, Brady H, Heise C, Besterman J, Martell RE, MacBeth K, Younes A. The class-I HDAC inhibitor MGCD0103 induces apoptosis in Hodgkin lymphoma cell lines and synergizes with proteasome inhibitors by an HDAC6-independent mechanism. Br J Haematol. 2010 Nov;151(4):387-96. doi: 10.1111/j.1365-2141.2010.08342.x. Epub 2010 Sep 29. PubMed PMID: 20880107; PubMed Central PMCID: PMC3189488.


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



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