1. Immunology/Inflammation
  2. Toll-like Receptor (TLR)
  3. CU-CPT22

CU-CPT22 

Cat. No.: HY-108471 Purity: >99.0%
Handling Instructions

CU-CPT22 is a toll-like receptor 1 and 2 (TLR1/2) inhibitor with an IC50 of 0.58 µM.

For research use only. We do not sell to patients.

CU-CPT22 Chemical Structure

CU-CPT22 Chemical Structure

CAS No. : 1416324-85-0

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Free Sample (0.5-1 mg)   Apply now  
10 mM * 1 mL in DMSO USD 143 In-stock
Estimated Time of Arrival: December 31
5 mg USD 130 In-stock
Estimated Time of Arrival: December 31
10 mg USD 220 In-stock
Estimated Time of Arrival: December 31
25 mg USD 420 In-stock
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Based on 2 publication(s) in Google Scholar

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Description

CU-CPT22 is a toll-like receptor 1 and 2 (TLR1/2) inhibitor with an IC50 of 0.58 µM.

IC50 & Target

IC50: 0.58 μM (TLR1/2)[1]

In Vitro

CU-CPT22 is a toll-like receptor 1 and 2 (TLR1/2) inhibitor with an IC50 of 0.58±0.09 µM. It is demonstrated that CU-CPT22 is able to compete with Pam3CSK4 for binding to TLR1/2 with an inhibition constant (Ki) of 0.41±0.07 µM, which is consistent with its potency observed in the whole cell assay. Increasing the concentration of CU-CPT22 to 6 µM decreases the anisotropy to background levels. It is found that CU-CPT22 inhibits TLR1/2 signaling without affecting other TLRs, showing it is highly selective in intact cells. CU-CPT22 is found to have no significant cytotoxicity at various concentrations up to 100 µM in RAW 264.7 cells. The result demonstrates that CU-CPT22 can inhibit about 60% of TNF-αand 95% of IL-1β at 8 µM[1].

Molecular Weight

362.37

Formula

C₁₉H₂₂O₇

CAS No.

1416324-85-0

SMILES

O=C(C(C=C1O)=CC2=CC(OC)=C(O)C(O)=C2C1=O)OCCCCCC

Shipping

Room temperature in continental US; may vary elsewhere

Storage
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : ≥ 125 mg/mL (344.95 mM)

H2O : < 0.1 mg/mL (insoluble)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.7596 mL 13.7981 mL 27.5961 mL
5 mM 0.5519 mL 2.7596 mL 5.5192 mL
10 mM 0.2760 mL 1.3798 mL 2.7596 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (6.90 mM); Clear solution

  • 2.

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: 2.5 mg/mL (6.90 mM); Suspended solution; Need ultrasonic

  • 3.

    Add each solvent one by one:  10% DMSO    90% corn oil

    Solubility: 2.5 mg/mL (6.90 mM); Suspended solution; Need ultrasonic

*All of the co-solvents are provided by MCE.
References
Kinase Assay
[1]

RAW 264.7 cells are planted in 6-well plates at 1,000,000 cells per well with 3 mL of medium and grown for 24 h at 37°C in a 5% CO2 humidified incubator. After 24 h, non-adherent cells and media are removed and replaced with fresh RPMI 1640 medium (3 mL/well). Two wells of adherent macrophages are treated with Pam3CSK4 (300 ng/mL) as the positive control, two wells are treated with 8 μM CU-CPT22, and the other two wells are treated with 8 μM compound DMSO. Plates are then incubated for an additional 24 h. The medium is removed, the cells are washed with PBS (3×1 mL), the plate is put on ice, then 500 μL of lysis buffer is added to each well. The production of the cytokine interleukin-1β (IL-1β) and TNF-α is quantified with enzyme-linked immunosorbent assays (ELISA). The cytokine level in each sample is determined in duplicate[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References

Purity: >99.0%

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CU-CPT22
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