| Identification | Back Directory | [Name]
PXS-5120A | [CAS]
2125955-70-4 | [Synonyms]
PXS-5120A
(Z)-1-(4-amino-2-fluorobut-2-en-1-yl)-3-(3-(N,N-dimethylsulfamoyl)phenyl)-2-methyl-1H-indole-5-carboxylic acid hydrochloride | [Molecular Formula]
C22H25ClFN3O4S | [MDL Number]
MFCD32263436 | [MOL File]
2125955-70-4.mol | [Molecular Weight]
481.97 |
| Hazard Information | Back Directory | [Biological Activity]
PXS-5120A is a potent, irreversible fluoroallylamine inhibitor of Lysyl Oxidase-like 2/3 (LOXL2/3) with anti-fibrotic activity. PXS-5120A is >300-fold selective for LOXL2 (Ki of 83 nM; pIC50 of 8.4) over LOXL (pIC50 of 5.8)[1].
PXS-5120A (Compound 12k) is a potent inhibitor of the LOXL2/3 enzyme and a moderate blocker of LOXL4. PXS-5120A inhibits recombinant human LOXL2, human fibroblast LOXL2, recombinant mouse LOXL2, recombinant rat LOXL2, collagen oxidation assay, recombinant human LOXL3 and recombinant human LOXL4 with IC50s of 5 nM, 9 nM, 6 nM, 6 nM, 13 nM, 16 nM and 280 nM, respectively.
PXS-5129A is readily absorbed following oral gavage, and once in the circulation, rapidly hydrolyzed to release PXS-5120 (free base) in vivo, affording plasma concentrations well above the LOXL2 IC50 (6 nM) for a prolonged period (>6 h) in mice, while remaining well below the IC50 for LOX throughout[1]. | [References]
[1]. Identification and Optimization of Findlay AD, et al. Mechanism-Based Fluoroallylamine Inhibitors of Lysyl Oxidase-like 2/3. J Med Chem. 2019 Nov 14;62(21):9874-9889. |
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