Catalog No. Size PriceQuantity
M7784-2 2mg solid $90
M7784-10 10mg solid $270


TGX-221 is a potent, selective, and cell membrane permeable inhibitor of the PI3K p110β catalytic subunit.TGX221 selectively inhibits renal cell carcinoma cells with both VHL and SETD2 mutations and links multiple pathways. TGX221 blocks xenograft tumor growth of prostate cancer in nude mice. TGX221 is a selective inhibitor for ccRCC with both VHL and SETD2 mutations. TGX221 also targeted cancer cells with CDKN2A and PTEN mutations. TGX221 also exhibited significant selectivity in inhibiting cell motility and tumourigenesis of ccRCC cells with VHL and SETD2 mutations. TGX221 is a novel inhibitor with high selectivity for ccRCC with VHL and SETD2 mutations.

Product information

CAS Number: 663619-89-4

Molecular Weight: 364.44

Formula: C21H24N4O2



TGX 221

Chemical Name: 7-methyl-2-morpholino-9-(1-(phenylamino)ethyl)-4H-pyrido[1, 2-a]pyrimidin-4-one

Smiles: CC1C=C(C(C)NC2C=CC=CC=2)C2=NC(=CC(=O)N2C=1)N1CCOCC1


InChi: InChI=1S/C21H24N4O2/c1-15-12-18(16(2)22-17-6-4-3-5-7-17)21-23-19(13-20(26)25(21)14-15)24-8-10-27-11-9-24/h3-7,12-14,16,22H,8-11H2,1-2H3

Technical Data

Appearance: Solid Power

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

Solubility: DMSO: 12 mg/mL(32.92 mM). Water: Insoluble.

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 activity of TGX-221 against different isoforms is measured in an in vitro PI3K assay using multiple preparations of recombinant p85/p110. TGX-221 show slow potent to p110δ with IC50 of 211 nM. Furthermore, TGX-221 partially attenuates insulin-induced phosphorylation of Ser473 of PKB in J774.2 macrophage cells. TGX-221 inhibits platelet-ECC interaction, platelet aggregation and platelet-granulocyte binding in an extracorporeal circulation (ECC) model. A recent study shows that after treatment with TGX-221 (0.2, 2, and 20 μM), PC3 cells show inhibition of proliferation with a significant reduction of the activity of the p110β PI3K isoform.

In Vivo:

As an anti-thrombotic agent, TGX-221 at doses 1 + 1 (49 %) and 3+3 (88 %) improves integrated blood flow over 30 minutes in a mouse model. In addition, Tail bleeding time (BT) (sec) increases with TGX-221 doses of 3 + 3 (median 1560) and 1 + 1 (1305) and mean renal BT (sec) also increases in all TGX-221 groups.


  1. Lu XY, et al. Appl Microbiol Biotechnol. 2011, 89(5), 1423-1433.
  2. Straub A, et al. Thromb Haemost. 2008, 99(3), 609-615.
  3. Chaussade C, et al. Biochem J. 2007, 404(3), 449-458.

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

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