Pacritinib (SB1518)

Pacritinib (SB1518)

Catalog Number:
L002370116APE
Mfr. No.:
APE-B1589
Price:
$579
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      • Overview
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          Background

          Pacritinib is a small molecule inhibitor of Janus kinase 2/Fms-like tyrosine kinase-3 (JAK2/FLT3) with IC50 values of 23nM, 19nM and 22nM, respectively for JAK2WT, JAK2V617F and FLT3 [1]. Pacritinib inhibits the JAK2-mediated production of p-STAT5 and p-STAT3 in Ba/F3 cells and the production of p-FLT3 and p-STAT5 in MV4-11 cells. It is less active against CYP3A4 and has good selectivity and microsomal stability. Pacritinib is proved to be high permeable in a Caco-2 bidirectional permeability assay. Additionally, pacritinib has a good oral bioavailability. In the Ba/F3-JAK2V617F mouse allograft, 150mg/kg treatment of pacritinib significantly alleviates the disease symptoms. In the MV4-11 xenografts, 50mg/kg and 100 mg/kg pacritinib treatments both show a significantly increased median survival of 55 days [1].

          [1] William AD, Lee AC, Blanchard S, Poulsen A, Teo EL, Nagaraj H, Tan E, Chen D, Williams M, Sun ET, Goh KC, Ong WC, Goh SK, Hart S, Jayaraman R, Pasha MK, Ethirajulu K, Wood JM, Dymock BW. Discovery of the macrocycle 11-(2-pyrrolidin-1-yl-ethoxy)-14,19-dioxa-5,7,26-triaza-tetracyclo[19.3.1.1(2,6).1(8,12)]heptacosa-1(25),2(26),3,5,8,10,12(27),16,21,23-decaene (SB1518), a potent Janus kinase 2/fms-like tyrosine kinase-3 (JAK2/FLT3) inhibitor for the treatment of myelofibrosis and lymphoma. J Med Chem. 2011 Jul 14;54(13):4638-58.

      • Properties
        • Alternative Name
          AN2728;AN 2728
          CAS Number
          937272-79-2
          Molecular Formula
          C28H32N4O3
          Molecular Weight
          472.58
          Appearance
          A solid
          Purity
          99.69%
          Solubility
          insoluble in EtOH; insoluble in H2O; ≥11.05 mg/mL in DMSO with gentle warming
          Storage
          Store at -20°C

          * For Research Use Only

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