• Skip to primary navigation
  • Skip to main content
  • Skip to footer

LKT Labs

Biochemicals for Life Science Research

  • Products
    • New Products
    • Cancer Biology
    • Cardiovascular
    • Endocrine Signaling and Immunology
    • Metabolic and GI Pathology
    • Microbiology
    • Natural Products
    • Neuroscience
    • Peptides
    • Pharmaceutical Impurities and Derivatives
    • Stem Cell Modulators
  • Services
    • Custom Synthesis
    • Natural Product Isolation
    • Analytical Services
  • Int’l Distributors
  • Support
    • About LKT Labs
    • General Inquiry
    • Bulk Quote Request
    • Document Request
    • Technical Support
    • Catalog Request
    • Product Flyers
  • Contact Us
  • Cart
  • Login / Register
SB-203580

SB-203580

Product ID S0500
Cas No. 152121-47-6
Purity ≥98%
Product Unit SizeCostQuantityStock
5 mg $82.00 In stock
25 mg $284.00 In stock
Bulk Quote

Quicklinks

  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Custom Order

Description

SB-203580 is an inhibitor of p38 MAPK that exhibits immunostimulatory, anticancer, and anti-fibrotic activities. In peripheral blood mononuclear cells, SB-203580 increases secretion of IFN-γ. In lung epithelial cells, SB-203580 inhibits TGF-β1-induced epithelial-to-mesenchymal transition (EMT). Additionally, SB-203580 inhibits proliferation in glioma cells and decreases angiotensin II- and TGF-β1-induced expression of GTGF and fibronectin in other cellular models.

Product Info

Cas No.

152121-47-6

Purity

≥98%

Formula

C21H16FN3OS

Formula Wt.

377.43

Chemical Name

4-[4-(4-fluorophenyl)-2-(4-methylsulfinylphenyl)-1H-imidazol-5-yl]pyridine

IUPAC Name

4-[4-(4-fluorophenyl)-2-(4-methylsulfinylphenyl)-1H-imidazol-5-yl]pyridine

Synonym

SB203580; SB 203580

Solubility

DMSO 43 mg/mL (113.92 mM) Water Insoluble Ethanol Insoluble

Appearance

White to off white powder

Shipping and Storage

Store Temp

-20°C

Ship Temp

Ambient

Downloads

MSDS

S0500 MSDS PDF

Info Sheet

S0500 Info Sheet PDF

References

Kühnöl C, Herbarth M, Föll J, et al. CD137 stimulation and p38 MAPK inhibition improve reactivity in an in vitro model of glioblastoma immunotherapy. Cancer Immunol Immunother. 2013 Dec;62(12):1797-809. PMID: 24129764.

Chen HH, Zhou XL, Shi YL, et al. Roles of p38 MAPK and JNK in TGF-β1-induced human alveolar epithelial to mesenchymal transition. Arch Med Res. 2013 Feb;44(2):93-8. PMID: 23376055.

Morales MG, Vazquez Y, Acuña MJ, et al. Angiotensin II-induced pro-fibrotic effects require p38MAPK activity and transforming growth factor beta 1 expression in skeletal muscle cells. Int J Biochem Cell Biol. 2012 Nov;44(11):1993-2002. PMID: 22964022.

Custom Order

  • Size of single unit expressed as number (e.g. '500' in the case of 500 mg)
  • Total quantity of unit size desired (e.g. '10' in the case of 10 x 500 mg). If only one unit is desired, you may leave this blank.
  • This field is for validation purposes and should be left unchanged.

Related Products

  • P014442

    Palbociclib

    CDK4/6 inhibitor.

    ≥98%
  • I7258

    Isoflurane

    Ca2+ ATPase and ATP-sensitive K+ channel activa...

    ≥98%
  • S9755

    (R)-Synephrine

    Synephrine is an endogenous alkaloid.

    ≥98%
  • D3355

    Diosgenin

    Steroidal saponin found in Dioscorea.

    ≥98%
  • D5792

    Doxofylline

    Xanthine derivative; PDE inhibitor.

    ≥98%
  • E5240

    Leu-Enkephalin

    Endogenous opioid peptide; δOR and μOR agonis...

    ≥95%
  • C2947

    Chlorpromazine Hydrochloride

    Phenothiazine, FIASMA; D1/2/3/4, 5-HT1/2, M1/2 ...

    ≥98%
  • S760004

    Stachybotrylactam

    Spirodihydrobenzofuranlactam

    ≥98%
  • K5604

    Kobe 0065

    Ras inhibitor.

    ≥99%
  • A5001

    Aminopterin

    Folic acid analog, derivative of pterin; dihydr...

    ≥98%
  • L1761

    Leptomycin B

    Polyketide; CRM1 inhibitor.

    ≥98%
  • B8262

    Bupivacaine Hydrochloride Monohydrate

    Amino amide; voltage-gated Na+, BK/SK, Kv1, Kv3...

    ≥98%
  • C9609

    Cyclophosphamide Monohydrate

    Nitrogen mustard, DNA alkylator.

    ≥98%
  • F4532

    Flibanserin

    5-HT1A agonist, 5-HT2A antagonist.

    ≥97%
  • R5611

    Rocuronium Bromide

    Non-depolarizing NMJ blocker; nAChR and M2/3 mA...

    ≥98%
  • C0265

    Carnosic Acid

    Diterpene found in Rosmarinus.

    ≥98%
  • B011460

    Baloxavir Marboxil

    Cap-dependent endonuclease inhibitor

    ≥ 99%
  • T1008

    10,13-Bissidechain Paclitaxel

    Synthesis impurity

    ≥90%
  • A1368

    Adrenomedullin (1-52), human

    Endogenous peptide hormone, involved in cell gr...

    ≥95%
  • C0243

    Calcitonin Gene Related Peptide (8-37), human

    Calcitonin-family peptide frgament, involved in...

    ≥95%

Footer

  • Contact Us
  • About Us
  • Site Map
  • Terms and Conditions
LKT Laboratories, Inc.
545 Phalen Blvd.
St. Paul MN, 55130

Ph: (888)-558-5227
Fax: (888)-558-7329

©2026 LKT Laboratories, All Rights Reserved - Products for research use only