Date published: 2026-4-5

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SB 202190 (CAS 152121-30-7)

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Alternate Names:
4-(4-Fluorophenyl)-2-(4-hydroxyphenyl)-5-(4-pyridyl)-1H-imidazole
Application:
SB 202190 is an inhibitor of the isoforms p38α and p38β
CAS Number:
152121-30-7
Purity:
≥98%
Molecular Weight:
331.34
Molecular Formula:
C20H14FN3O
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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SB 202190 is a pyridinyl imidazole that inhibits the p38 pathway. The compound inhibits the isoforms p38alpha and p38beta. SB 202190 has displayed the ability to activate CPP32-like caspases and induce apoptosis. Research demonstrates that when one residue of ERK2, a related p38 not inhibited by pyridinyl imidazoles, is changed it allows SB 202190 to bind. Studies have revealed that SB 202190 can improve leukemia cell growth by activating MEK/MAPK, as well as phosphorylate and activate MLK3.


SB 202190 (CAS 152121-30-7) References

  1. Development of a p38 Kinase Binding Assay for High Throughput Screening.  |  Warrior, U., et al. 1999. J Biomol Screen. 4: 129-135. PMID: 10838421
  2. Activation of c-Jun N-terminal kinase (JNK) by widely used specific p38 MAPK inhibitors SB202190 and SB203580: a MLK-3-MKK7-dependent mechanism.  |  Muniyappa, H. and Das, KC. 2008. Cell Signal. 20: 675-83. PMID: 18222647
  3. The p38 pathway inhibitor SB202190 activates MEK/MAPK to stimulate the growth of leukemia cells.  |  Hirosawa, M., et al. 2009. Leuk Res. 33: 693-9. PMID: 18995898
  4. Non-specific in vivo inhibition of CK1 by the pyridinyl imidazole p38 inhibitors SB 203580 and SB 202190.  |  Shanware, NP., et al. 2009. BMB Rep. 42: 142-7. PMID: 19336000
  5. Inhibition of nuclear factor-kappaB and p38 mitogen-activated protein kinase does not always have adverse effects on wound healing.  |  O'Sullivan, A., et al. 2010. Surg Infect (Larchmt). 11: 7-11. PMID: 19656014
  6. ERK is involved in EGF-mediated protection of tight junctions, but not adherens junctions, in acetaldehyde-treated Caco-2 cell monolayers.  |  Samak, G., et al. 2011. Am J Physiol Gastrointest Liver Physiol. 301: G50-9. PMID: 21474650
  7. Alpha1-adrenoceptor signaling in the human prostate involves regulation of p38 mitogen-activated protein kinase.  |  Strittmatter, F., et al. 2011. Urology. 78: 969.e7-13. PMID: 21982020
  8. Lipopolysaccharide-induced stem cell factor messenger RNA expression and production in odontoblast-like cells.  |  Oliveira, SH. and Santos, VA. 2012. J Endod. 38: 623-7. PMID: 22515890
  9. A p38 MAPK inhibitor improves outcome after glaucoma filtration surgery.  |  Nassar, K., et al. 2015. J Glaucoma. 24: 165-78. PMID: 25493622
  10. Computational Drug Target Screening through Protein Interaction Profiles.  |  Vilar, S., et al. 2016. Sci Rep. 6: 36969. PMID: 27845365
  11. Characterization of the structure and function of a new mitogen-activated protein kinase (p38beta).  |  Jiang, Y., et al. 1996. J Biol Chem. 271: 17920-6. PMID: 8663524
  12. Induction of apoptosis by SB202190 through inhibition of p38beta mitogen-activated protein kinase.  |  Nemoto, S., et al. 1998. J Biol Chem. 273: 16415-20. PMID: 9632706
  13. A single amino acid substitution makes ERK2 susceptible to pyridinyl imidazole inhibitors of p38 MAP kinase.  |  Fox, T., et al. 1998. Protein Sci. 7: 2249-55. PMID: 9827991

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

SB 202190, 1 mg

sc-202334
1 mg
$31.00

SB 202190, 5 mg

sc-202334A
5 mg
$128.00

SB 202190, 25 mg

sc-202334B
25 mg
$454.00