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Description: STING antagonist
Chemical Name: N-(4-Ethylphenyl)-N'-1H-indol-3-yl-urea
Purity: ≥98% (HPLC)
Biological Activity for H 151
H 151 is a STING antagonist. Covalently binds STING at Cys91, blocking palmitoylation and preventing assembly of STING clusters. Decreases inflammatory cytokine production in human and mouse cells in vitro. Also blocks CMA (Cat. No. 6677) -induced increases in levels of inflammatory cytokines in mice, and alleviates systemic inflammation in a mouse model of autoinflammatory disease.
Compound Libraries for H 151
H 151 is also offered as part of the Tocriscreen 2.0 Max and Tocriscreen Antiviral Library. Find out more about compound libraries available from Tocris.
Technical Data for H 151
| M. Wt | 279.34 |
| Formula | C17H17N3O |
| Storage | Store at +4°C |
| Purity | ≥98% (HPLC) |
| CAS Number | 941987-60-6 |
| PubChem ID | 7616033 |
| InChI Key | UJZDIKVQFMCLBE-UHFFFAOYSA-N |
| Smiles | CCC1=CC=C(C=C1)NC(NC2=CNC3=CC=CC=C23)=O |
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Solubility Data for H 151
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| DMSO | 27.93 | 100 | |
| ethanol | 13.97 | 50 |
Preparing Stock Solutions for H 151
The following data is based on the product molecular weight 279.34. Batch specific molecular weights may vary from batch to batch due to the degree 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 | 3.58 mL | 17.9 mL | 35.8 mL |
| 5 mM | 0.72 mL | 3.58 mL | 7.16 mL |
| 10 mM | 0.36 mL | 1.79 mL | 3.58 mL |
| 50 mM | 0.07 mL | 0.36 mL | 0.72 mL |
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Product Datasheets for H 151
References for H 151
References are publications that support the biological activity of the product.
Haag et al (2018) Targeting STING with covalent small-molecule inhibitors. Nature 559 269 PMID: 29973723
If you know of a relevant reference for H 151, please let us know.
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Keywords: H 151, H 151 supplier, H151, STING, antagonist, antagonism, anti-inflammatory, covalent, STING-Dependent, Signaling, 6675, Tocris Bioscience
2 Citations for H 151
Citations are publications that use Tocris products. Selected citations for H 151 include:
Kevin C et al (2023) Innate immune signaling drives late cardiac toxicity following DNA-damaging cancer therapies. J Exp Med 220 PMID: 36534085
Ying et al (2023) STING Suppresses Mitochondrial VDAC2 to Govern RCC Growth Independent of Innate Immunity. Adv Sci (Weinh) 10 e2203718 PMID: 36445063
Do you know of a great paper that uses H 151 from Tocris? Please let us know.
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