17,19-Metheno-1H,5H-cyclopent[5,6][1,4]oxazino[3,4-i]pyrazolo[4,3-f]pyrido[3,2-l][1,4,8,10]oxatriazacyclotridecin-14(11H)-one, 7-fluoro-2,3,3a,12,13,20a-hexahydro-11-methyl-, (3aS,11R,20aR)-

CAS NO.：2359650-19-2
Empirical Formula: C21H21FN6O3
Molecular Weight: 424.43
Update Date: 2025-12-09 18:56:23

What is 17,19-Metheno-1H,5H-cyclopent[5,6][1,4]oxazino[3,4-i]pyrazolo[4,3-f]pyrido[3,2-l][1,4,8,10]oxatriazacyclotridecin-14(11H)-one, 7-fluoro-2,3,3a,12,13,20a-hexahydro-11-methyl-, (3aS,11R,20aR)-?

Biological Activity

TPX-0046 is a novel RET/SRC inhibitor with a mean IC50 of 17 nM for RETG810R in Ba/F3 cell proliferation assay. TPX-0046 is a new type of RET/SRC inhibitor and potent against a range of RET fusions and mutations including solvent front mutations (SFMs)-mediated resistance. In Ba/F3 RET engineered cells with SFMs proliferation test, the average IC50 is 1-17 nM.[2] TPX-0046 demonstrates marked anti-tumor efficacy in vivo in multiple RET-driven cancer cell-derived and patient-derived xenograft tumor models.[2]

References

[1] Noura J Choudhury, Alexander Drilon. Transl Lung Cancer Res. 2020 Dec;9(6):2571-2580. [2] Alexander E Drilon, et al. Journal of Clinical. 2020 May; 38(15_suppl): 3616.

Properties of 17,19-Metheno-1H,5H-cyclopent[5,6][1,4]oxazino[3,4-i]pyrazolo[4,3-f]pyrido[3,2-l][1,4,8,10]oxatriazacyclotridecin-14(11H)-one, 7-fluoro-2,3,3a,12,13,20a-hexahydro-11-methyl-, (3aS,11R,20aR)-

Density	1.68±0.1 g/cm3(Predicted)
storage temp.	Store at -20°C
solubility	DMSO: 2 mg/mL (4.71 mM);Ethanol: Insoluble
pka	10.44±0.40(Predicted)
form	Solid
color	White to off-white
Water Solubility	Water: Insoluble

Safety information for 17,19-Metheno-1H,5H-cyclopent[5,6][1,4]oxazino[3,4-i]pyrazolo[4,3-f]pyrido[3,2-l][1,4,8,10]oxatriazacyclotridecin-14(11H)-one, 7-fluoro-2,3,3a,12,13,20a-hexahydro-11-methyl-, (3aS,11R,20aR)-

Computed Descriptors for 17,19-Metheno-1H,5H-cyclopent[5,6][1,4]oxazino[3,4-i]pyrazolo[4,3-f]pyrido[3,2-l][1,4,8,10]oxatriazacyclotridecin-14(11H)-one, 7-fluoro-2,3,3a,12,13,20a-hexahydro-11-methyl-, (3aS,11R,20aR)-

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