239819

CXCR2 antagonist, Cpd 19

The CXCR2 antagonist, Cpd 19, also referenced under CAS 473728-67-5, controls the biological activity of CXCR2.

• Synonym(s): CXCR2 antagonist, Cpd 19, 3-(2-(cyclopentylamino)-3,4-dioxocyclobut-1-enylamino)-2-hydroxy-N,N-dimethylbenzamide
• Empirical Formula (Hill Notation): C₁₈H₂₁N₃O₄
• CAS Number: 473728-67-5
• Molecular Weight: 343.38
• UNSPSC Code: 12352200
• NACRES: NA.51

Properties

• Quality Level: 100
• assay: ≥95% (HPLC)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze; protect from light
• color: off-white
• solubility: DMSO: 50 mg/mL, light brown
• shipped in: ambient
• storage temp.: −20°C

Description

General description

A cell-permeable, cyclobutenedione derivative that acts as a potent antagonist of chemokine receptor CXCR2 (IL8RB) (IC₅₀ = 8 nM). Reported to inhibit CXCR2-mediated chemotaxis in a CXCR2 expressing cell line (IC₅₀ = 145 nM). Exhibits good stability in human and rat liver microsomal preparations (>50% remaining after 30 min at 37^°C).

Packaging

Packaged under inert gas

Warning

Toxicity: Regulatory Review (Z)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

Merritt, J., et al. 2006. Bioorg. Med. Chem. Lett.16, 4107.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable