KF 38789

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Cat.No. 2748 - KF 38789 | C19H21NO5S | CAS No. 257292-29-8
Description: Selective inhibitor of P-selectin-mediated cell adhesion
Chemical Name: 3-[7-(2,4-Dimethoxyphenyl)-2,3,6,7-tetrahydro-1,4-thiazepin-5-yl]-4-hydroxy-6-methyl-2H-pyran-2-one
Purity: ≥97% (HPLC)

Biological Activity

Selective inhibitor of P-selectin-mediated cell adhesion (IC50 = 1.97 μM) that displays no effects on L-selectin- and E-selectin-mediated adhesion. Blocks P-selectin-mediated binding in vitro and leukocyte accumulation in vivo.

Compound Libraries

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Technical Data

M. Wt 375.44
Formula C19H21NO5S
Storage Desiccate at +4°C
Purity ≥97% (HPLC)
CAS Number 257292-29-8
PubChem ID 5373277
Smiles COC1=CC=C(C2CC(=NCCS2)C2=C(O)C=C(C)OC2=O)C(OC)=C1

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 37.54 100

Preparing Stock Solutions

The following data is based on the product molecular weight 375.44. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 2.66 mL 13.32 mL 26.64 mL
5 mM 0.53 mL 2.66 mL 5.33 mL
10 mM 0.27 mL 1.33 mL 2.66 mL
50 mM 0.05 mL 0.27 mL 0.53 mL

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Product Datasheets

Certificate of Analysis / Product Datasheet
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Safety Datasheet


References are publications that support the products' biological activity.

Haggerty et al (2000) Dissecting cellular processes using small molecules: identification of colchicine-like, taxol-like and other small moleculaes that perturb mitosis. Chem.Biol. 7 275 PMID: 10780927

Ohta et al (2001) Inhibition of P-selectin specific cell adhesion by a low molecular weight, non-carbohydrate compound, KF38779. Inflamm.Res. 50 544 PMID: 11766994

Kaila et al (2007) Synthesis and biological evaluation of quinoline salicylic acids as P-selectin antagonists. J.Med.Chem. 50 21 PMID: 17201408

If you know of a relevant reference for KF 38789, please let us know.

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