A 419259 trihydrochloride

Catalog No. size PriceQuantity
M6696-2 2mg solid $242
M6696-10 10mg solid $956



Product Information

A-419259 trihydrochloride is a second-generation pyrrolo-pyrimidine designed to enhance selectivity towards the Src family relative to other cytoplasmic tyrosine kinases.


Chemical Formula: C29H37Cl3N6O


Exact Mass: 590.2094


Molecular Weight: 592.01 


Elemental Analysis: C, 58.84; H, 6.30; Cl, 17.96; N, 14.20; O, 2.70




A-419259 trihydrochloride

A-419259 3HCl


Chemical Name:

7-((1r,4r)-4-(4-methylpiperazin-1-yl)cyclohexyl)-5-(4-phenoxyphenyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine trihydrochloride


InChi Key:



InChi Code:    InChI=1S/C29H34N6O.3ClH/c1-33-15-17-34(18-16-33)22-9-11-23(12-10-22)35-19-26(27-28(30)31-20-32-29(27)35)21-7-13-25(14-8-21)36-24-5-3-2-4-6-24;;;/h2-8,13-14,19-20,22-23H,9-12,15-18H2,1H3,(H2,30,31,32);3*1H/t22-,23-;;;


Smiles Code:




Technical Data:


Appearance: 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

Shelf Life: >3 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

A 419259 Trihydrochloride is a second-generation pyrrolo-pyrimidine designed to enhance selectivity towards the Src family relative to other cytoplasmic tyrosine kinases. A-419259 inhibits K-562 cells with an IC50 between 0.1 and 0.3 μM, and Meg-01 proliferation with an IC50 of approximately 0.1 μM.

A-419259 also potently induces apoptosis in K-562 cells beginning at 0.1 μM and increasing in a dose-dependent manner. PP2 inhibits Src kinase autophosphorylation in both Ph+ cell lines (K-562 and Meg-01) with an IC50 between 3 and 10 μM, while A-419259 blocks kinase activation between 0.1 and 0.3 μM.

A-419259 strongly inhibits DAGM/Bcr-Abl cell proliferation in the absence of IL-3 with an IC50 between 0.1 and 0.3 μM.

A-419259 is a broad-spectrum pyrrolo-pyrimidine inhibitor, and blocks proliferation and induces apoptosis in CML cell lines.

A-419259 inhibits overall SFK activity in K562 and other CML cell lines with an IC50 value of 0.1-0.3 μM.





  1. Wilson MB, et al. Selective pyrrolo-pyrimidine inhibitors reveal a necessary role for Src family kinases in Bcr-Abl signal transduction and oncogenesis. Oncogene. 2002 Nov 21;21(53):8075-88.

  2. Pene-Dumitrescu T, et al. An inhibitor-resistant mutant of Hck protects CML        cells against the antiproliferative and apoptotic effects of the broad-spectrum Src family kinase inhibitor A-419259.Oncogene (2008) 27, 7055-7069


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


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