6-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-quinoxaline
Synonym(s):6-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-quinoxaline;ALK5 Inhibitor VIII, SB-525334, 6-(2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl)-quinoxaline, Transforming Growth Factor-β Type I Receptor Kinase Inhibitor VIII;TGF-β RI Kinase Inhibitor VIII - CAS 356559-20-1 - Calbiochem
- CAS NO.:356559-20-1
- Empirical Formula: C21H21N5
- Molecular Weight: 343.42
- MDL number: MFCD11045307
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-10-30 18:52:02
What is 6-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-quinoxaline?
Description
SB-525334 is a potent inhibitor of the TGF-β receptor 1 (TGF-β R1, ALK5) kinase (IC50 = 14.36 nM). It is ~4-fold less effective against ALK4 and inactive against ALK2, ALK3, and ALK6. SB-525334 blocks TGF-β1-induced phosphorylation and nuclear translocation of SMAD2/3 as well as TGF-β1-directed gene expression. It is effective in vivo, preventing puromycin aminonucleoside-induced renal fibrosis and bleomycin-induced pulmonary fibrosis. SB-525334 also modulates carcinogenesis and suppresses the development of pulmonary arterial hypertension in animals.
The Uses of 6-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-quinoxaline
SB-525334 is a potent activin receptor-like kinase (ALK5)/ type I TGFβ-receptor kinase inhibitor with IC50 = 14.3 nM.
The Uses of 6-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-quinoxaline
SB-525334 was used to study TGFβ1-mediated human trophoblast differentiation.7
What are the applications of Application
TGF-β RI Kinase Inhibitor VIII is a potent ATP-competitive inhibitor against receptor TbR-I/ALK5
Definition
ChEBI: 6-[2-tert-butyl-5-(6-methyl-2-pyridinyl)-1H-imidazol-4-yl]quinoxaline is a quinoxaline derivative.
Biological Activity
Selective inhibitor of transforming growth factor- β receptor I (ALK5, TGF- β RI) (IC 50 = 14.3 nM). Inhibits TGF- β 1-induced smad2/3 nuclear localisation and TGF- β 1-induced mRNA expression in kidney cells. Attenuates bleomycin-induced pulmonary fibrosis.
Biochem/physiol Actions
SB-525334 is a potent activin receptor-like kinase (ALK5)/ type I TGFβ-receptor kinase inhibitor with IC50 = 14.3 nM.
storage
Store at -20°C
References
1) Grygielko?et al.?(2005),?Inhibition of gene markers of fibrosis with a novel inhibitor of transforming growth factor-beta type I receptor kinase in puromycin-induced nephritis;? J. Pharmacol. Exp. Ther.,?313?943 2) Higashiyama?et al. (2007),?Inhibition of activin receptor-like kinase 5 attenuates bleomycin-induced pulmonary fibrosis;? Exp. Mol. Pathol.,?83?39 3) Kim?et al. (2012),?Transforming growth factor beta receptor I inhibitor sensitizes drug-resistant pancreatic cancer cells to gemcitabine;? Anticancer Res.,?32?799
Properties of 6-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-quinoxaline
Melting point: | 159 °C |
Boiling point: | 540.5±45.0 °C(Predicted) |
Density | 1.191 |
storage temp. | 2-8°C |
solubility | DMSO: ≥20mg/mL |
form | Yellow solid |
pka | 10.24±0.10(Predicted) |
color | yellow |
Stability: | Stable for 2 years from date of purchase as supplied. Solutions in DMSO may be stored at -20°C for up to 3 months. |
Safety information for 6-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-quinoxaline
Signal word | Danger |
Pictogram(s) |
Skull and Crossbones Acute Toxicity GHS06 |
GHS Hazard Statements |
H301:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H413:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 6-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-quinoxaline
InChIKey | DKPQHFZUICCZHF-UHFFFAOYSA-N |
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